11又7⼀9-(+9又1⼀10)-8又1⼀5-(-7又1⼀3)-|5又2⼀3-21又1⼀5|=

快,急用!~~~~
2024-11-23 14:57:32
推荐回答(2个)
回答1:

解:
原式=106/9-91/10-41/5+22/3+17/3-106/5
=(106+66+51)/9-(91+82+212)/10
=223/9-385/10
=223/9-77/2
=(446-693)/18
=247/18

回答2:

106/9-91/10-41/5+22/3-233/15 ,
238500/20250-184275/20250-166050/20250+148500/20250-314550/20250 ,
-277875/20250 , -247/18