Ответ:
Пошаговое объяснение:
3 1/2 * 5 = 7/2 * 5 =35/2 = 17 1/2
2 1/2 * 5/6 = 5/2 * 5/6 = 25/12 = 2 1/12
4 1/2 * 5 1/4 = 9/2 * 21/4 = 189/8 = 23 5/8
2 5/7 * 2 1/2 = 19/7 * 5/2 = 95/14 = 6 11/14
3 2/5 * 2 1/3 = 17/5 * 7/3 = 119/15 = 7 14/15
2 2/11 * 1 1/3 = 24/11 * 4/3 = 32/11 = 2 10/11