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Study
Subtraction without Regrouping
0
%
0
0
0
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Restart
Subtract
38
Oops!
Okay!
Subtract
22
Oops!
Okay!
Subtract
77
Oops!
Okay!
Subtract
89
Oops!
Okay!
Subtract
2
Oops!
Okay!
Subtract
23
Oops!
Okay!
Subtract
36
Oops!
Okay!
Subtract
63
Oops!
Okay!
Subtract
15
Oops!
Okay!
Subtract
11
Oops!
Okay!
Subtract
39
Oops!
Okay!
Subtract
54
Oops!
Okay!
Subtract
40
Oops!
Okay!
Subtract
62
Oops!
Okay!
Subtract
16
Oops!
Okay!
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