OPTIONS:
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>Addition ( + )
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>Subtraction ( - )
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>Subtraction Adv ( - )
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>1
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>2
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>3
addition
Name/名前: ________________
70
+ 20
15
+ 51
47
+ 44
74
+ 18
39
+ 23
70
+ 17
56
+ 30
83
+ 11
45
+ 54
78
+ 12
11
+ 47
77
+ 16
46
+ 19
27
+ 38
16
+ 41
39
+ 23
51
+ 29
55
+ 26
57
+ 38
89
+ 10