(-6)÷(-7)÷(-6/5)

问题描述:

(-6)÷(-7)÷(-6/5)

原式=(-6)×﹙﹣1/7﹚×﹙﹣5/6﹚
  =6/7×﹙﹣5/6﹚
  =﹣5/7(-8.8)×(-5/11)÷3/4原式=-44/5×(-5/11)×4/3 =4×4/3 =16/3