Question

Помогите по математики не могут решить

Answer 1

Пошаговое объяснение:

№50

1) 12 3/8 + 8 1/6 = 12 9/24 + 8 4/24 = 20 13/24

2) 3 13/15 + 6 7/10 = 3 26/30 + 6 21/30 = 9 47/30 = 10 17/30

3) 9 8/21 + 4 11/14 = 9 16/42 + 4 33/42 = 13 49/42 = 14 7/42 = 14 1/6

№51

1) 7 5/6 - 3 2/3 = 7 5/6 - 3 4/6 = 4 1/6

2) 8 5/12 - 6 7/20 = 8 25/60 - 6 21/60 = 2 4/60 = 2 1/15

3) 11 11/12 - 5 7/9 = 11 33/36 - 5 28/36 = 6 5/36

№52

1) 3 1/16 - 1/8 = 3 1/16 - 2/16 = 2 17/16 - 2/16 = 2 15/16

2) 7 9/20 - 5 17/30 = 7 27/60 - 5 34/60 = 6 87/60 - 5 34/60 = 1 53/60

3) 4 2/7 - 1 4/9 = 4 18/63 - 1 28/63 = 3 81/63 - 1 28/63 = 2 53/63