作业帮简算.,
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/26 22:01:20
简算.,
简算.,
简算.,
3(3/4)*9+375%*2-3.75=3(3/4)*9+3.75*2-3.75=3(3/4)*9+3.75=3(3/4)*9+3(3/4)=3(3/4)*(9+1)
=30(30/4)=37(1/2)=37.5
5/9除[4/5-(1/5+1/3)]=5/9除[4/5-1/5-1/3]=5/9除(3/5-1/3)=5/9除4/15=5/9*15/4=25/12
3、x除2/3-3*512=1/4
3x/2-5/4=1/4
3x/2=6/4=3/2
x=1