13 1/2;
9;
4/7
Пошаговое объяснение:
2 1/4 ÷ 1/6 = 9/4 * 6/1 = 13 1/2;
12 *3/4 = 36/4 =9;
2-1 3/7 = 14/7-10/7=4/7
13 1/2;
9;
4/7
Пошаговое объяснение:
2 1/4 ÷ 1/6 = 9/4 * 6/1 = 13 1/2;
12 *3/4 = 36/4 =9;
2-1 3/7 = 14/7-10/7=4/7