Ответ:\(x : 9 = 3\), \(x = 3 \cdot 9 = 27\).\(6 \cdot x = 36\), \(x = 36 : 6 = 6\).\(48 : x = 8\), \(x = 48 : 8 = 6\).\(7 \cdot x = 35\), \(x = 35 : 7 = 5\).Ответ: а) 27; б) 6; в) 6; г) 5.