40:10
4
25*40
1000
4x+2=18
√49
7
210:30
50*100
5000
x=2
√400
20
444:4
111
75*5
375
x=3
√121
1010:5
202
666
X:5+7=9
X=10
√169
13
312:3
104
10²*10²
10⁴=10.000
X+X+X=7,5
x=2,5
√1600
40
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