Question

Alguem me ajudar pfv 5 × {100 ÷ [3 - (7 - 9)]}.

Answer 1

Resposta:

( 1 ) Resposta: 2/5

1/2 x 4/5 = (4 x 1) / (2 x 5) = 4/10 = 2/5

(2) Resposta: 10/3

2 x 5/3 = (2 x 5)/3 = 10/3

(3) Resposta: 1/7

3/7 x 3/9 = (3 x 3)/(7 x 9) = 9/63 = 1/7