10 + 7
17
7-3
4
7x4
28
45
6:00
7+8
15
10-6
8x3
24
63
2:00
8+9
20-18
2
9x6
54
72
4:00
34+42
56
40-32
8
11 x 4
44
23
3:30
58+32
90
60-40
20
12 x 2
89
7:30
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