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e) 56 – 16 =____

                                                       T         O












        Q. Find the difference.



                              T      O                 T      O                T      O

                               7     7                   3   0                   8   2

                              -7  3                     -2   0                  -4   1




                              T      O                 T      O                T      O


                               1     3                  4      3                9      9
                              -1  0                    -3      3               -8      7
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