封神榜异人任务:求助一道数学题!

来源:百度文库 编辑:高考问答 时间:2024/05/18 18:13:49
简便计算
9/17*(11/14除以11/17)*8/11+5/14=

9/17*(11/14除以11/17)*8/11+5/14
=9/17*11/14*17/11*8/11+5/14
=9/14*8/11+5/14
=9/14*8/11+(1-9/14)
=9/14*8/11-9/14+1
=9/14(8/11-1)+1
=1-27/154
=127/154