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: ________________
21
+ 56
84
+ 13
62
+ 18
26
+ 40
35
+ 18
10
+ 83
85
+ 10
23
+ 10
71
+ 16
82
+ 14
12
+ 33
40
+ 30
73
+ 14
65
+ 28
45
+ 32
84
+ 14
50
+ 17
51
+ 27
13
+ 83
33
+ 52