Page 214 - MATH NIVEL 1
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                  1st  Grade  -  Primary  Education                        MATHEMATICS





                   I  SOLVE  PROBLEMS  OF  COMBINED  OPERATIONS






          a) 236  +  187  –  148  +  362                          d) 312  +  312  –  146  +  468
              ÿÿÿÿÿÿÿ                                                ÿÿÿÿÿÿÿ
                                 –                                                     –

                  ÿÿÿÿÿÿÿÿÿÿÿ

                                       +                                                       +
                           ÿÿÿÿÿÿÿÿÿÿÿÿÿ                                         ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ














                      –
          b) 407  245  +  136  110           –                    and) 135  +  748  –  364  +  252
              ÿÿÿÿÿÿÿ                                                ÿÿÿÿÿÿÿ
                                +                                                      –

                  ÿÿÿÿÿÿÿÿÿÿÿ
                                         –                                                     +

                           ÿÿÿÿÿÿÿÿÿÿÿÿÿ                                         ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ













          c) 246  +  148  +  478  357  –                          g) 147  +  562  –  346  +  80

              ÿÿÿÿÿÿÿ                                                ÿÿÿÿÿÿÿ
                                +                                                      –
                  ÿÿÿÿÿÿÿÿÿÿÿ
                                       –                                                       +


                           ÿÿÿÿÿÿÿÿÿÿÿÿÿ                                         ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ








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