Ответ:\(1,7x=0,68\), \(x=0,4\).\(8,2x=4,1\), \(x=0,5\).\(x=0,336+0,44=0,776\).\(1,8x=0,45\), \(x=0,25\).\(4,2x=1,26\), \(x=0,3\).\(4,3m=2,58\), \(m=0,6\).