1
4,1
2
3
4
+ =
+
= + = +
<
< >
>
>>>>>>>>
< <
> >
< < < <
=
=100
4=
100=
100 100
2=
50
5
10
23
6
8
121
•
< > =
× =
=− =
− =
= =
× ==
• >
•1
• <
𝑥 𝑦
a b
c
d
e
°
𝑥𝑦
𝑥
𝑦
𝑦𝑥
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