Question

qual é o valor da expressão?
-4/3-7/5-1,32+5

Answer 1

$-\frac{4}{3}-\frac{7}{5}-1,32+5=\\-\frac{4}{3}-\frac{7}{5}-\frac{132}{100}+\frac{5}{1}=\\-\frac{4}{3}-\frac{7}{5}-\frac{33}{25}+\frac{5}{1}=\\ \text{Extraindo o MMC=75 }\\\\\frac{-100-105-99+375}{75}=\\\frac{375-(100+105+99)}{75}\\\frac{375-(304)}{75}\\\frac{375-304}{75}\\\frac{71}{75}$