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EXERCISE 4.3



              1.  Subtract and check your answer.

                 (a)    TTh Th      H    T    O                                    Check
                            5  8    7    6     3

                     –   2     4    5    3     1






                 (b)    TTh Th      H    T    O                                    Check

                            8  2    0    6     4

                     –   4     7    9    8     3





                 (c)     L    TTh Th      H    T     O                             Check

                            9  6     4    7    3     1

                     –   5     2     4    3    1     0






                 (d)     L    TTh Th      H    T     O                             Check
                          8    4     3    0    0     2


                     –   6     5     9    7    4     8





              2.  Find the following differences and check your answers.
                  (a)  46,213 – 24,103              (b)  78,036 – 49,157           (c)  92,003 – 794

                  (d)  3,25,156 – 1,00,032          (e)  6,02,071 – 3,41,598       (f)  5,08,906 – 9,984
              3.  Find the missing digits.


                  (a)      TTh Th      H    T    O              (b)       L   TTh Th       H    T    O
                            5     ?    1    3     ?                       ?     7     ?    8    ?     1

                       –    ?     0    1    ?    4                   –    4     ?    2     5    6     ?

                            3     2    ?    2    2                        2     4    3     ?    3     0




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