简算(4又2/7+2又2/11)/(1又3/7+8/11)=?
问题描述:
简算(4又2/7+2又2/11)/(1又3/7+8/11)=?
答
解,原式=(30/7+24/11)/(11/7+8/11)
=3(10/7+8/11)/(10/7+8/11)
=3