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: ________________
51
+ 16
47
+ 40
31
+ 48
22
+ 26
45
+ 46
27
+ 18
17
+ 12
59
+ 25
62
+ 26
53
+ 42
47
+ 17
42
+ 24
33
+ 34
49
+ 43
11
+ 17
65
+ 20
70
+ 28
83
+ 15
56
+ 28
49
+ 37