解方程,- 6分之x-7分之x=84 x-6分之1x=9 3.5*2-0.2x=2 30%x+15=906分之x-7分之x=84x-6分之1x=93.5*2-0.2x=230%x+15=90

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 08:38:33
解方程,- 6分之x-7分之x=84 x-6分之1x=9 3.5*2-0.2x=2 30%x+15=906分之x-7分之x=84x-6分之1x=93.5*2-0.2x=230%x+15=90
xP @lB|^dA `r2Z>&# Όv&/aշc5e$l7B8!-2#*&"'B&Ƽ=|E6z! "IF}0UikT5D["rJM{4:jA`=i[E E

解方程,- 6分之x-7分之x=84 x-6分之1x=9 3.5*2-0.2x=2 30%x+15=906分之x-7分之x=84x-6分之1x=93.5*2-0.2x=230%x+15=90
解方程,- 6分之x-7分之x=84 x-6分之1x=9 3.5*2-0.2x=2 30%x+15=90
6分之x-7分之x=84
x-6分之1x=9
3.5*2-0.2x=2
30%x+15=90

解方程,- 6分之x-7分之x=84 x-6分之1x=9 3.5*2-0.2x=2 30%x+15=906分之x-7分之x=84x-6分之1x=93.5*2-0.2x=230%x+15=90
(1)6分之x-7分之x=84
x/42=84
x=42*84=3528
(2)x-x/6=9
5x/6=9
x=54/5=10.8
(3)3.5*2-0.2x=2
0.2x=5
x=25
(4)30%x+15=90
0.3x=75
x=250