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: ________________
84
+ 15
15
+ 55
89
+ 10
23
+ 23
78
+ 14
12
+ 11
77
+ 10
37
+ 17
77
+ 22
83
+ 16
43
+ 33
18
+ 80
51
+ 35
81
+ 18
22
+ 70
61
+ 28
72
+ 10
23
+ 28
21
+ 35
20
+ 30