Question

СРОЧНО ДАю 100 баллов

Answer 1

Ответ:

Пошаговое объяснение:

2)

1/5 + 1/9 = 9/45 + 5/45 =

14/45

4)

1/3 + 1/8 = 8/24 + 3/24 = 11/24

6)

1/6 + 1/7 = 7/42 + 6/42 = 13/42

3)

1) 7/30 + 8/45 = 21/90 + 16/90 = 37/90

2) 2/45 + 1/30 = 4/90 + 3/90 = 7/90

3) 37/90 + 7/90 = 44/90 = 22/45

4)

1) 5/24 + 11/66 = 5/24 + 1/6 = 5/24 + 4/24 = 9/24 = 3/8

2) 13/60 + 2/24 = 13/60 + 1/12 = 13/60 + 5/60 = 18/60 = 3/10

3) 3/8 + 3/10 = 15/40 + 12/40 = 27/40