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Addition: Single Digit + Double Digit (w/ regrou ...
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38 + 3
41
Oops!
Okay!
57 + 2
59
Oops!
Okay!
63 + 7
70
Oops!
Okay!
83 + 4
87
Oops!
Okay!
83 + 9
92
Oops!
Okay!
57 + 3
60
Oops!
Okay!
83 + 5
88
Oops!
Okay!
27 + 6
33
Oops!
Okay!
88 + 4
92
Oops!
Okay!
27 + 9
36
Oops!
Okay!
47 + 8
55
Oops!
Okay!
13 + 7
20
Oops!
Okay!
47 + 2
49
Oops!
Okay!
33 + 8
41
Oops!
Okay!
67 + 6
73
Oops!
Okay!
77 + 5
82
Oops!
Okay!
67 + 6
73
Oops!
Okay!
77 + 3
80
Oops!
Okay!
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