a) 36,75+89,46        b) 351-138,9      c) 60,83*47,2             d) 109,44 / 6,08
       36,75                        351                         60,83                              109,44

       +89,46                    - 138,9                    * 47,2                             / 6,08

         ____                    _______                      _____                          ______

        126,61                     212,1                         2,871.176                    18

a.35,124+24,682    b.17,42-8,624       c.12,5*2,3          d.19,72 / 5,8
        35,124                  17,42                      12,5                       19,72
      + 24,682               - 8,624                     * 2,3                        / 5,8
      _______                 ______                  ______                  _______

      59,806                    8,796                       28,75                      3,4

*là nhân nha bạn

/là chia  nha bạn