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: ________________
23
+ 13
28
+ 35
72
+ 23
35
+ 55
20
+ 10
36
+ 50
19
+ 12
25
+ 20
59
+ 33
63
+ 28
58
+ 19
33
+ 59
39
+ 36
68
+ 26
40
+ 50
84
+ 13
38
+ 11
12
+ 36
28
+ 61
48
+ 11