Ответ:
Пошаговое объяснение:
А) 1/2 * 5 = 5/10
1/4 * 25 = 25/100
1/5 * 2 =2/10
1/20 * 5 = 5/100
1/25 * 4 = 4/100
1/50 * 2 = 2/100
Б) 7_1/2 = 15/2 * 5 = 75/10
5_1/4 = 21/1 * 10 = 210/10
1_3/20 = 23/20 * 5 = 115/100
6_4/25 = 154/25 * 4 = 616/100
В) 17/2 * 5 = 85/10
11/4 * 25 = 275/100
83/20 * 5 = 415/100
76/25 * 4 = 304/100
8 номер
18/60 = 3/10
27/90 = 3/10
81/300 = 27/100
77/110 = 7/10
48/400 = 12/100
56/700 = 8/100