2
20-5=?
15
4x8=?
32
7+8=?
8-3=?
5
4x10=?
40
5+4+3=?
9-8-1=?
0
2x2x2
8
10+100=?
110
40-39=?
1
5x5=?
25
27+33=?
60
27-3-4=?
20
3x30=?
90
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