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
+ 10
53
+ 17
30
+ 45
66
+ 19
77
+ 12
31
+ 36
75
+ 11
48
+ 27
51
+ 48
21
+ 17
12
+ 12
62
+ 27
72
+ 18
54
+ 17
65
+ 13
17
+ 77
37
+ 43
80
+ 11
19
+ 36
10
+ 61