8/2/2019 dai 7-tiet 56

1/18

Th2 ngy 5 thng 3 nm 2012

Nhi t li t cho mng

Gio vin thc hin: Bi Th Thu Hng

Tr- ng THCS Hn Thuyn

Nhit lit cho m ngCc thy c gio v d hi ging

Lp 7dpd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

2/18

Kim tra bi c

Ly v d v 5 n thc .

Hy lp tng cc n thc .

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

3/18

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

4/18

Tit 56

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

5/18

22 12

x yyx

Xet cac bieu thc:a,Vit biu thc biu th din tch ca hnh to bi mttam gic vung v hai hnh vung dng v pha ngoi

trn hai cnh gc vung x , y ca tam gic .

x y

b,Cho cc n thc .-5x2y ; 4x3yz ; 2xy3 ; 10

Hy lp tng cc n thc 2 2 13 3 3 5 x y xy x y xy x

Cc biu thc trn l nhng v d v a thc .

-5x2

+ 4x3

z + 2x3

+ 10

c,

(2)

(3)

a thc la mottongcuanhng n thc.Moin thctrong tong goi la mothang t

cua a thc o.

a thc

l g

2 2 1( 3 ) 3 ( 3) ( ) 5

2 x y xy x y xy x

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

6/18

a thc 3x2 y2 + 5xy2 7xc th - c vit nh- sau

3x2 + (-y2 ) + 5xy2 + (-7x)a thc trn c cc hng t l :

2

-2 2

-

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

7/18

? Hy ch ra cc hng t ca a thc :

2 2 1

3 3 3 52 x y xy x y xy x

Cc hng t ca a thc trn l :

x2y ; -3xy ; 3x2y ; - 3 ; 5; xy ;1

x

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

8/18

Trong cc biu thc sau , biu thc no l a thc ?

2, 3xay

3 33 1,

4

x yb

2

3 33 1

4 4 4

x y L a thc

, xc

2, 5 3 2d x x

, ( 1 )e x y2, 5 f x y

x xy L a thc

L a thc

L a thc

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

9/18

Xt a thc sauA = x2y - 3xy + 3x2y - 3+ xy - x + 5

= ( ) + ( ) + ( )

x2y + 3x2y- 3xy + xy- 3 + 5

+

= 4x2y - 2xy +2

- x

Ta gi a thc 4x2y 2xy + 2 x l dng thu

Thu gn a thc

Hy ch ra cc hng tng dngvi nhau trong a thc trn ?

- x

gn c a a t c

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

10/18

Khi thu gn a thc, bn Hoa lm nh- sau:58753 22 xxyxxyM

)57()85()3(22

xxxyxy

21322

xxy

Bn Hoa lm ng hay sai? V sao?

Bi tp:

Bn Hoa lm sai.

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

11/18

Phiu hc tp Tnh gi tr ca a thc P ti x = 0,5 v y = 1

2 2 2 21 1 15 P x y xy xy xy xy x y

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

12/18

a thc :2 5 4 6 1 M x y xy y

a thc M c cc hng t l :2 5x y4xy

6

co bac la :

co bac la :

co bac la :

7

5

6

M l a thc thu gn

Bc ca a thcl g ?

1

co bac la : 0Bac cao nhat trong cac bac la: 7Ta noi 7 la bac cua a thc M.

Bc ca a thc l bc ca hng t cbc cao nht trong dng thu gn ca athc pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

13/18

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

14/18

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

15/18

Cu hi s 1 : lt gi to l x (/kg )

v gi nho l y ( / kg) . Hyvit biu thc biu th s tin

Cu hi s 2Tm bc ca a thc sau :

4 2 45 3 5 5Q x xy x y x

Cu hi s 3 :

Tnh gi tr ca biu thc sau

A = x6y + y64zx6y -y6

= = =

Bn chn mt chbtk

.

Biu thc ny c l a thc

khng .

p n : 5x +8yBiu thc ny c l a thc

p n:Q c bc3

p n : A = 20

-v tr i cu i trong ch .Nu tr li ng th

ch s - c m ra.Sau khi m chbn s

on - c tn ca ng- ianh hng .

(1914 1931 )

Ng- i on vin u tinca on thanh nin

Cng sn H Ch Minhpd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

16/18

Cu hi s 1 : lt gi to l x (/kg )

v gi nho l y ( / kg) . Hyvit biu thc biu th s tin

Cu hi s 2Tm bc ca a thc sau :

4 2 45 3 5 5Q x xy x y x

Cu hi s 3 :Tnh gi tr ca biu thc sau

A = x6y + y64zx6y -y6

= = =.

Biu thc ny c l a thc

khng .

p n : 5x +8yBiu thc ny c l a thc

p n:Q c bc3

p n : A = 20

-

(1914 1931 )

Ng- i on vin u tinca on thanh nin

Cng sn H Ch Minh

1 32

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

17/18

Thuc cc nh ngha : a thc , bc ca a thc

Lm cc bi tp : 24 , 25 , 26 , 28 trang 38 SGKc tr- c bi: Cng tr a thc trang 39 SGKn li cc tnh cht ca php cng cc s hu t.

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl

8/2/2019 dai 7-tiet 56

18/18

pd f Machine

A pdf wr i te r tha t pr oduces qua l i ty PDF f i les wi th ease!

Produce quality PDF files in seconds and preserve the integrity of your original documents. Compatible acrossnearly all Windows platforms, simply open the document you want to convert, click print, select the

Broadgun pdfMachine printer and thats it! Get yours now!

http://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?clhttp://www.pdfmachine.com/?cl