RENANNARCIZOSANTOS63GO RENANNARCIZOSANTOS63GO Matemática Respondido Calcule:4/6÷2/5=8/4÷4/8=3/4x3/4=2/4x2/6=7/8x1/2=2/3x1/2=4x1/3=1/2x4=Se puder colocar os cálculos agradeço