Page 131 - บทที่ 1
P. 131

6 - 1 =                         4 + 6       =                 12    —   6



             3 + 5 =                         9x0 =                           3   + 9     —



             4x9 =                         15 - 9        =                   8   X 2     —


             7x2 =                           3x5 =                           9   + 0     —



             8 - 7 =                         9 + 9       =                   8 X 8       —



           10 - 9 =                        16 - 7        =                   2   —   1   —


             2x3 =                           3 + 0       =                   4   + 5



             9 + 5 =                         6 - 4       =                   7   —   6   —


           15 - 7 =                          9x2 =                         12    —   5   —



             4x8 =                           8 + 3       =                   4   X 6     —



             1 + 4 =                         8 - 5       =                   7   + 5     —


             7 + 9 =                         7x7 =                           8   X 6     —



           11 - 3 =                          7 + 2       =                   5   + 6


             6x4 =                           3x8 =                         14    —   8   —



           10 - 2 =                          7x9 =                           6   + 7     —



             8x3 =                           4x8 =                           6   X 3     —


             5 + 9 =                       10 - 6        =                                     unvi      QUITO


                                                                                                         QUITO
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