Найдите значение выражения ((7\9 : 47\72): 1,25

((7\9 : 47\72): 1,25 =224/235      7          47             7            72 ---   :  ---------  =  ------  *  --------  =  сокращаем 72:9=8  и  9:9=1  9          72             9            47            7                8                56 =  --------  *  -----------  = -----------         1                 47              47                   125 1,25 =  -----------                   100     56           125           56              100           5600 -------  : ---------- = ----------  *  ---------- = ---------------   = 47            100           47              125           5875                                             224 сокращаем на 25  =  -----------                                             235

 (7\9 : 47\72): 1,25=(7/9*72/49):1,25=8/7:1 целую 25/100=   8/7  : 125/100 = 8/7*100/125 = 200/31,25=6,4