1 9y 5 19 3y 8 July 8, 2019 16 32 64 128 1 9y 19 3y 5 8 solve and check 7 1 9y )/( 19 3y 5 8 5 9y-1 2y=9 588 19 1y+121 4+0 9y при y=48 5
