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Subtraction with regrouping
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6.020 - 1.850 = ...
4.170
Oops!
Okay!
8.492 - 6.118 = ...
2.374
Oops!
Okay!
5.326 - 3.115 = ...
2.211
Oops!
Okay!
7.000 - 4.532 = ...
2.468
Oops!
Okay!
7.898 - 5.627 = ...
2.271
Oops!
Okay!
7.906 - 7.871 = ....
35
Oops!
Okay!
7.865 - 5.914 = ...
1.951
Oops!
Okay!
6.998 - 4.872 = ...
2.126
Oops!
Okay!
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