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3 digit addition without regrouping
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622 + 40
662
Oops!
Okay!
823 + 76
899
Oops!
Okay!
521 + 348
869
Oops!
Okay!
145 + 133
278
Oops!
Okay!
845 + 124
969
Oops!
Okay!
411 + 122
533
Oops!
Okay!
345 + 51
396
Oops!
Okay!
814 + 124
938
Oops!
Okay!
431 + 244
675
Oops!
Okay!
742 + 11
753
Oops!
Okay!
712 + 15
727
Oops!
Okay!
926 + 53
979
Oops!
Okay!
634 + 25
659
Oops!
Okay!
452 + 23
475
Oops!
Okay!
521 + 105
626
Oops!
Okay!
133 + 142
275
Oops!
Okay!
734 + 15
749
Oops!
Okay!
321 + 145
466
Oops!
Okay!
631 + 168
799
Oops!
Okay!
514 + 32
546
Oops!
Okay!
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