Найдите неизвестный член пропорции    х:8\9=3:4  6:5=9:х   6,5:5,2=х:8   4,5:3,6=х:4  96:2,5=19,2:х Найдите х в пропорциях 5\6=2х\3  5х\12=2\3   8\9=4х\27
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