Question

me ajuda por favoooooooor​

Answer 1

Resposta:

a) 59/60 + 7/15 - 19/20 - 1/10 = 59/60 + 28/60 - 57/60 - 6/60 = 24/60

b) 53/60 + 8/15 - 17/20 - 3/10 = 53/60 + 32/60 - 51/60 - 18/60 = 16/60

c) 47/60 + 11/15 - 13/20 - 5/10 = 47/60 + 44/60 - 39/60 - 30/60 = 22/60

d) 43/60 + 13/15 - 11/20 - 7/10 = 43/60 + 52/60 - 33/60 - 42/60 = 20/60

MMC

60, 15, 20, 10  | 5

12 ,  3 ,  4 ,  2   | 3

4 ,  1  ,  4 ,  2   | 2

2 ,  1  ,  2 ,  1    | 2

1  ,  1  ,  1  ,  1   / 60