Page 137 - MATH NIVEL 1
P. 137

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                      MATHEMATICS                                      1st  Grade  -  Primary  Education








                                              UMAS  AND  SUBTRACTIONS











                                                     1  4  2   +
                       1  3  2    +                  1  1  7                                      1  6  4   +
                       2  2  7
                                                                                                  1  2  7
                                                                           1  8  3   +
                                                                           1  3  5







                 1  9  7    –          2  4  3    –
                 1  3  9               1  2  7


                                                                   2  9  0    –                 5  6    –
                                                                                                2  9
                                                                   2  3  5




                 1  7  6   +
                 1  4  9              3  9  3    –
                                      1  2  5



































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