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: ________________
86
+ 13
62
+ 21
20
+ 43
41
+ 45
83
+ 13
72
+ 20
89
+ 10
62
+ 27
31
+ 15
43
+ 41
27
+ 65
89
+ 10
10
+ 87
59
+ 14
81
+ 11
43
+ 56
83
+ 10
79
+ 20
18
+ 51
37
+ 52