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: ________________
42
+ 19
78
+ 11
47
+ 24
11
+ 75
52
+ 19
22
+ 18
80
+ 12
58
+ 12
75
+ 23
45
+ 25
57
+ 31
59
+ 36
15
+ 84
80
+ 19
25
+ 14
75
+ 22
48
+ 29
76
+ 13
41
+ 19
23
+ 53