а) 4/9 * 27/64 = 108/576 = 9/48 = 3/16
б) 9/28 * 56 = 504/28 = 18
в) 5 1/7 * 1 8/27 = 36 1/189 = 36 1/189
а) 4/9 * 27/64 = 108/576 = 9/48 = 3/16
б) 9/28 * 56 = 504/28 = 18
в) 5 1/7 * 1 8/27 = 36 1/189 = 36 1/189