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: ________________
49
+ 42
21
+ 47
16
+ 18
34
+ 20
68
+ 17
10
+ 23
72
+ 15
30
+ 49
10
+ 29
29
+ 65
25
+ 72
83
+ 11
41
+ 53
73
+ 18
45
+ 26
10
+ 54
52
+ 33
46
+ 47
22
+ 14
82
+ 16