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3 digit subtraction
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689 - 278 = ?
411
Oops!
Okay!
768 - 652 = ?
116
Oops!
Okay!
641 - 530 = ?
111
Oops!
Okay!
207 - 204 = ?
3
Oops!
Okay!
677 - 523 = ?
154
Oops!
Okay!
535 - 413 = ?
122
Oops!
Okay!
334 - 124 = ?
210
Oops!
Okay!
994 - 431 = ?
563
Oops!
Okay!
445 - 234 = ?
211
Oops!
Okay!
798 - 703 = ?
95
Oops!
Okay!
408 - 102 = ?
306
Oops!
Okay!
787 - 646 = ?
141
Oops!
Okay!
333 - 103 = ?
230
Oops!
Okay!
317 - 204 = ?
113
Oops!
Okay!
925 - 614 = ?
311
Oops!
Okay!
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