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: ________________
28
+ 48
10
+ 56
29
+ 65
38
+ 48
14
+ 13
49
+ 13
44
+ 22
48
+ 44
87
+ 10
49
+ 13
41
+ 20
79
+ 10
47
+ 43
44
+ 28
68
+ 28
26
+ 24
82
+ 15
26
+ 67
47
+ 31
19
+ 56