Question

а) 1 3/5+5 7/15;б) 5 3/14-1 2/21;в) 4 1/6×3/5г) 1 2/13÷1 4/11

Answer 1

1 3/5+ 5 7/15= 6 9+7/15=7 1/15

Answer 2

Ответ:

1 3/5 + 5 7/15= 1 9/15 + 5 7/15 = 6 16/15 = 7 1/15

5 3/14 - 1 2/21 = 5 9/42 - 1 4/42 =4 5/42

4 1/6 * 3/5 = 25/5 * 3/5 = 75/25 = 3

1 2/13 / 1 4/11 = 15/13  /  15/11 = 15/13 * 11/15 = 165 / 195 = 55 / 65 = 11/ 13

Пошаговое объяснение: