Question

Resolva a expressão:

{[(1+1/4)÷]+(1-2/9)÷7/3}6/5

Answer 1

Considerando o sinal de : entre as chaves:
{[1+1/4):] + (1-2/9) : 7/3}6/5 = 
{[5/4:] + 7/9 : 7/3} 6/5 =
{[5/4:] + 7/9 . 3/7} 6/5 =
{[5/4:] + 21/63}6/5 =
{[5/4 :] + 1/2}6/5 =
{5/4 : 1/2}6/5 =
{5/4 . 2/1} 6/5 =
10/4 . 6/5 =
60/20 = 3
Resposta: 3
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Considerando sem o sinal de : entre as chaves:
{[1+1/4)] + (1-2/9) : 7/3}6/5 =
{5/4 + 7/9 : 7/3} 6/5 =
{5/4 + 7/9 . 3/7} 6/5 =
{5/4 + 3/9} 6/5 =
{5/4 + 1/2} 6/5 =
7/4 . 6/5 =
42/20 =
21/10 = 2,1
Resposta: 21/10 ou 2,1