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: ________________
10
+ 19
20
+ 36
68
+ 29
14
+ 40
85
+ 11
60
+ 37
68
+ 19
33
+ 13
79
+ 13
69
+ 12
85
+ 14
39
+ 29
24
+ 20
89
+ 10
43
+ 12
34
+ 54
55
+ 15
31
+ 22
60
+ 37
53
+ 20