• Matéria: Matemática
  • Autor: vivianemari
  • Perguntado 8 anos atrás

Calcule [2/5x(2-3/4)]:(1/2)

Respostas

respondido por: gracielaaguayosousa
1

=(\frac{2}{5}.(2-\frac{3}{4})):\frac{1}{2} \\\\=(\frac{2}{5}.\frac{5}{4} ):\frac{1}{2}\\\\=\frac{1}{2} : \frac{1}{2} \\\\=\frac{1}{2}.2\\\\=1

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