Page 73 - บทที่ 1
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3 + 5 =                         6 - 4       =                   2 X 3       —



              1x6 =                          6x3 =                           9   —  3    —



             8 + 6 =                         7 + 8       =                   2   + 6     —


             4 - 2 =                       14 - 8        =                   2 X 7       —



           12 - 7 =                          4x4 =                           9   + 6     =



             8 + 2 =                       18 - 9        =                   4   X 9     —


             4x8 =                           3 + 1       =                 16    —  7    —



             1 + 9 =                       14 - 5        =                   1 + 1       —


             0x0 =                           5 - 0       =                   4   X 5     —



             7 + 7 =                         5 + 7       =                   6  + 9



             8 - 5 =                         6x1         =                 11    —  2    —


           15 - 7 =                       15 - 8         =                   8 X 9       —



             5 + 6 =                         6x4 =                           9  —   5    —


             8x2 =                          0 + 4        =                   8  + 0      —



             3x5 =                        10 - 7         =                10    —   5    —



           10 - 1 =                         5 + 8        =                   5   X 7     —


             9 + 4 =                         3x9 =                                                       Tunvi


                                                                                               uivl      Qunvi
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