58+68 =
126
39-21=
18
5x9=
45
40div5=
8
12+79=
91
59-42=
17
8x8=
64
30div5=
6
56+68=
73
55-24
31
6x7=
42
15div5=
3
100+600=
700
25-16
9
3x3=
18div6=
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