Subtration1
Subtraction 2
subtraction3
addition 1
addition2
100
18 - 15
3
100
15-9
6
100
15+25
40
100
33+33
66
200
36-25=
11
200
80-15
65
200
18-6
12
200
18+17
35
200
33+66
99
300
89-55
34
300
37-29
8
300
68-27
41
300
55+36
91
300
68+29
97
400
85-66=
19
400
45-25
20
400
72-28
44
400
91+18
109
400
48+95
143
500
70-54
16
500
100-95
5
500
81-29
52
500
95+58
153
500
89+105
194
M
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