Page 111 - บทที่ 1
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2x5 =                           5x7 =                             2 + 5 =



            6 - 4       =                   8 - 8 =                           3x4 =
                                                                                        II
                                                                                     CO
          14 - 7        =                   2 + 4 =                          5 - 1 =
                                                                                 1
                                                                             CO
            3 + 5       =                 13 - 8 =                           8 + 9 =



            8 + 3       =                   5 + 9 =                           4x9 =


            5x6 =                           7x5 =                            3 + 4 =



            2 - 1 =                         6x2 =                          11-8 =



            5 + 1 =                         3 + 3 =                           4x5 =


            9x7 =                           8x7 =                            7 + 8 =



            7 + 6       =                   6 - 3 =


          10 - 8        =                   5x4 =                             9x9 =



            6 + 5       =                  8 + 2 =                         12-6 =



          14 - 5        =                11 - 6 =                            1+9 =


            9x1         =                   4x4 =                             8x5 =



            4 + 6       =                12 - 8 =                          11-5 =



          16 - 7        =                  7 + 5 =                           8 + 4 =


            7x3 =                        15 - 9 =                                              •unvi     Qunvi


                                                                                               141VI     Qunvi
     no
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