Найти значение выражения 22*(1 1/2+7/11).

Question

Найти значение выражения 22*(1 1/2+7/11).

Answer 1

             1              7

22*(1 ------  +  --------- ) =

             2             11

 

                    3*11 + 7 * 2                            33 + 14                           47

 = 22 * (------------------------ ) = 22 * (--------------------) =  22 * -------------- =

                            22                                          22                               22

 

           22 * 47

= --------------------- = 47

                22

Answer 2

22*(1 1/2+7/11) = 22*(3/2+7/11)=22* (33+14)/22= 47