(-1/42)/(1/6-2/7+2/3-3/14)

题目

(-1/42)/(1/6-2/7+2/3-3/14)
要过程.
谢谢谢.

答案

(-1/42)/(1/6-2/7+2/3-3/14)
=-1/42/(7/42-12/42+28/42-9/42)
=-1/42/(14/42)
=-1/14