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ADDITION
SUBTRACTION
MULTIPLICATION
100
77+68+132
215
100
89-37
52
100
10x?=60
6
200
88+?=97
9
200
77-?=24
53
200
4x?=24
6
300
23+?+45=89
21
300
65-?-12=15
38
300
9x?=45
5