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P. 4

1        2        3        4         5         6        7         8        9         10


                         11       12        13       14        15        16       17        18       19        20

                         21       22        23       24        25        26       27        28       29        30


                         31       32        33       34        35        36       37        38       39        40

                         41       42        43       44        45        46       47        48       49        50





                               1          2         3        4          5       6          7        8





                         EX-  49-41= 8




                       • 41 is the smaller number, we have

                           coloured it in blue.


                       • 49 is the larger number, we have

                           coloured it in red.


                       • We will count the number of boxes from


                           41 to 49 to find the difference.
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