数学计算(-6/17)乘(-5/4)除9乘(-17/5)

问题描述:

数学计算(-6/17)乘(-5/4)除9乘(-17/5)

=-(6/17×17/5×5/4)÷9
=-(6/5×5/4)×1/9
=-3/2×1/9
=-1/6