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: ________________
69
+ 11
40
+ 58
15
+ 84
69
+ 20
82
+ 10
25
+ 55
37
+ 42
57
+ 37
22
+ 46
68
+ 10
31
+ 42
73
+ 22
23
+ 53
62
+ 20
24
+ 32
37
+ 44
67
+ 14
36
+ 56
21
+ 40
64
+ 20