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: ________________
39
+ 22
58
+ 20
46
+ 46
88
+ 10
65
+ 27
12
+ 15
48
+ 12
51
+ 16
43
+ 45
38
+ 42
62
+ 15
57
+ 11
17
+ 47
61
+ 22
69
+ 30
71
+ 24
19
+ 27
67
+ 25
72
+ 20
80
+ 15