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: ________________
64
+ 12
24
+ 72
74
+ 10
14
+ 57
72
+ 20
70
+ 25
37
+ 21
80
+ 15
73
+ 14
75
+ 15
64
+ 10
64
+ 21
60
+ 24
54
+ 15
51
+ 20
47
+ 13
88
+ 10
77
+ 13
50
+ 40
84
+ 15