2. Найдите частное.

Решение: 1) 9 ÷ 3/7 = 9 * 7/3 = 21; 2) 9/32 ÷ 18 = 9/32 * 1/18 = 9/576 = 1/64; 3) 11 2/3 ÷ 3 1/9 = 35/3 ÷ 28/9 = 35/3 * 9/28 = 315/84 = 105/28 = 15/4 = 3 3/4; 4) 2 1/4 ÷ 3 3/5 = 9/4 ÷ 18/5 = 9/4 * 5/18 = 45/72 = 15/24 = 5/8.