7 + 11 =
18
12 - 3 =
9
2 x 2 =
4
26 + 13 =
39
39 - 13 =
26
3 x 5 =
15
86 + 95 =
181
71 - 39 =
32
6 x 7 =
42
322 + 540 =
862
425 - 113 =
312
8 x 8 =
64
559 + 724 =
1,283
700 - 450 =
250
12 x 4 =
48
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