Выполните действия. 5) 4 1/8×6/11÷2 1/4; 6) 1 1/7×3/4÷3/10

5) 4 1/8 * 6/11 : 2 1/4 = (4 * 8 + 1)/8 * 6/11 : (2 * 4 + 1)/4 = (32 + 1)/8 * 6/11 : (8 + 1)/4 = 33/8 * 6/11 : 9/4 = 3/8 * 6 * 4/9 = (3 * 6 * 4)/(8 * 9) = 6/6 = 1;

Ответ: 1.

6) 1 1/7 * 3/4 : 3/10 = (1 * 7 + 1)/7 * 3/4 * 10/3 = 8/7 * 10/4 = (8 * 10)/(7 * 4) = 20/7;

Ответ: 20/7.