14/3乘12/7= 3/1乘3/1乘5/1= 15/2乘16/15乘20= 4/1乘24乘8/3= 7/5乘4/3乘9/2= 4/5乘7/6乘15/14= 谢谢

问题描述:

14/3乘12/7= 3/1乘3/1乘5/1= 15/2乘16/15乘20= 4/1乘24乘8/3= 7/5乘4/3乘9/2= 4/5乘7/6乘15/14= 谢谢