Question

Calcule:
a) 0,777..... – 1 / 2 b) 1,222.... + 1 / 6
c) 0,555.... + 2 / 3 – 1/ 6 d) 0,222.... + 1 / 3
pfv preciso da resposta com conta

Answer 1

resolução!

A = 0,777... - 1/2

A = 7/9 - 1/2

A = 14 - 9/18

A = 5/18

B = 1,222.. + 1

B = 12 - 1/9 + 1

B = 11/9 + 1

B = 11 + 9/9

B = 20/9

C = 0,5555 + 2/3 - 1 /6

C = 5/9 + 2/3 - 1/6

C = 10 + 12 - 3/18

C = 19/18

D = 0,222.. + 1/3

D = 2/9 + 1/3

D = 2 + 3/9

D = 5/9