17+15
32
15-11
4
3x3
9
0÷ 7
0
20+10
30
29-16
13
10x9
90
19÷5
3.8
19+20
39
40-20
20
20x4
80
16÷8
2
40+15
55
60-15
45
13x8
104
15÷6
2.5
80+20
100
100-85
15
50x40
2000
90÷6
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