9 7 8 х 3 6 July 8, 2019 16 32 64 128 9 ( 7 8 x )= 3 6 8 7 9 х 3 5 6 9 7 8 x 6 3 4 9 x 8 = 8 7/9-х=3 5/6 3х 9 7 9 3х при х 8
