Выполните умножение. 1) 3 * 5/16 = 2) 7/24 * 8 = 3) 13/15 * 30 = 4) 18 * 7/12 =

1) 3 * 5/16 = 15/162) 7/24 * 8 = 7/3 = 2(1/3)3) 13/15 * 30 = 26 4) 18 * 7/12 = (7 * 3)/2 = 10(1/2)