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: ________________
44
+ 52
55
+ 34
71
+ 18
23
+ 27
87
+ 11
34
+ 56
69
+ 29
70
+ 24
71
+ 21
79
+ 15
30
+ 23
66
+ 16
16
+ 42
40
+ 58
23
+ 58
68
+ 14
57
+ 13
63
+ 30
61
+ 38
20
+ 56