(-1又3分之1)除0.8乘(-7分之6)大神们帮帮忙

题目

(-1又3分之1)除0.8乘(-7分之6)大神们帮帮忙

答案

(-1又3分之1)除0.8乘(-7分之6) = (- 1 - 1/3) / 0.8 * (-6/7) = - (4/3) / (4/5) * (-6/7) = (4/3) * (5/4) * (6/7) = (5/3) * (6/7) = 10/7