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
+ 55
70
+ 25
70
+ 15
46
+ 16
43
+ 30
21
+ 22
57
+ 31
66
+ 15
19
+ 72
70
+ 13
26
+ 58
87
+ 11
31
+ 41
56
+ 19
43
+ 41
55
+ 22
63
+ 36
81
+ 14
58
+ 28
89
+ 10