• Matéria: Matemática
  • Autor: ronaldsosa55524q
  • Perguntado 4 anos atrás

efetue as divisões: a) 3/4:2/5= b) 5/7:2/3=​

Respostas

respondido por: CyberKirito
2

\boxed{\begin{array}{l}\tt a)~\sf\dfrac{3}{4}\div\dfrac{2}{5}=\dfrac{3}{4}\cdot\dfrac{5}{2}=\dfrac{15}{8}\\\\\tt b)~\sf\dfrac{5}{7}\div\dfrac{2}{3}=\dfrac{5}{7}\cdot\dfrac{3}{2}=\dfrac{15}{14}\end{array}}

respondido por: leticiaemily864
0

Resposta:

A) 3/4÷2/5=1.875

b) 5/7÷2/3= 1.07142857143

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