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: ________________
57
+ 30
67
+ 25
52
+ 11
49
+ 39
81
+ 11
60
+ 18
41
+ 48
68
+ 16
38
+ 50
62
+ 24
37
+ 11
20
+ 54
55
+ 10
77
+ 22
10
+ 14
72
+ 12
37
+ 23
51
+ 41
84
+ 15
60
+ 20