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: ________________
18
+ 12
42
+ 25
84
+ 14
18
+ 18
13
+ 25
38
+ 47
56
+ 36
12
+ 27
64
+ 22
75
+ 21
80
+ 14
10
+ 47
49
+ 40
43
+ 19
37
+ 45
27
+ 13
65
+ 12
64
+ 16
66
+ 11
53
+ 21