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: ________________
30
+ 63
73
+ 12
55
+ 42
17
+ 20
70
+ 12
13
+ 75
76
+ 14
58
+ 17
84
+ 10
22
+ 57
62
+ 15
16
+ 79
84
+ 15
54
+ 12
88
+ 11
81
+ 14
77
+ 12
33
+ 61
17
+ 10
48
+ 36