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: ________________
63
+ 15
72
+ 17
57
+ 14
13
+ 43
32
+ 14
46
+ 32
37
+ 38
28
+ 18
88
+ 11
28
+ 67
57
+ 39
21
+ 78
67
+ 28
35
+ 22
86
+ 13
18
+ 35
61
+ 14
67
+ 11
15
+ 23
21
+ 62