Question

Calculando a expressão (1/5 + 1/3) ÷ (3/5 - 1/15) + 0,999... qual o resultado?

(a)0
(b)1
(c)2
(d)3
(e)4

com as resoluções porfavorzinho :)

Answer 1

(1/5+1/3) : (3/5 - 1/15)+ 0,999...
8/15:8/15+1
8/15x15/8+1
120/120+1
1+1
2