Question

(3/2.4/7-3/14.2):(2/3.3/10+7/25.5)+4

Answer 1

Resposta:
Explicação passo a passo:

(3/2.4/7 - 3/14.2)
= 4/2 . 3/7 - 2/14 . 3
= 2.3/7 - 1/7.3
= 6/7 - 3/7
= 3/7

(2/3.3/10+7/25.5)+4
= (3/3.2/10 +5/25.7)+4
= (1.1/5 + 1/5.7)+4
= (1/5+7/5)+4
= 8/5+4
= (8+5.4)/5
= (8+20)/5
= 28/5