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2 Digit: Addition w/ Regrouping + Subtraction w/ ...
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28 - 17
11
Oops!
Okay!
81 - 30
51
Oops!
Okay!
57 + 29
86
Oops!
Okay!
77 + 44
121
Oops!
Okay!
48 + 23
71
Oops!
Okay!
97 - 33
64
Oops!
Okay!
42 - 31
11
Oops!
Okay!
69 + 22
91
Oops!
Okay!
76 - 34
42
Oops!
Okay!
47 + 66
113
Oops!
Okay!
11 - 10
1
Oops!
Okay!
75 + 88
163
Oops!
Okay!
49 - 6
43
Oops!
Okay!
54 + 37
91
Oops!
Okay!
83 + 37
120
Oops!
Okay!
74 - 13
61
Oops!
Okay!
42 - 22
20
Oops!
Okay!
49 + 38
87
Oops!
Okay!
38 + 36
74
Oops!
Okay!
88 - 8
80
Oops!
Okay!
27 - 4
23
Oops!
Okay!
48 + 65
113
Oops!
Okay!
58 - 4
54
Oops!
Okay!
29 - 20
9
Oops!
Okay!
45 + 39
84
Oops!
Okay!
47 + 34
81
Oops!
Okay!
78 - 23
55
Oops!
Okay!
67 + 46
113
Oops!
Okay!
66 - 25
41
Oops!
Okay!
99 + 23
122
Oops!
Okay!
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