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: ________________
85
+ 12
65
+ 21
11
+ 60
31
+ 35
44
+ 44
15
+ 52
75
+ 18
16
+ 57
72
+ 21
54
+ 34
73
+ 11
65
+ 19
29
+ 61
78
+ 12
19
+ 30
20
+ 76
61
+ 22
36
+ 22
23
+ 35
61
+ 20