x分之120-1.5x分之120等于1x分之1200-1.5x分之1200=10

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 22:32:14
x分之120-1.5x分之120等于1x分之1200-1.5x分之1200=10
xQ[J@P(4dD2}<&jT zᤥE upΙi=m^1Ay?}~1(KJZgByb!âjU5V M5EiU1=#lBf(X+b8γT $(Eg`amAkhXM-id{eamDP e a&q(*h,`=Mx-@W'ln75t5ԭ}9>m=/h+m+?SuOAWo&w[CvYYlՁk !8)B)ljXWA

x分之120-1.5x分之120等于1x分之1200-1.5x分之1200=10
x分之120-1.5x分之120等于1
x分之1200-1.5x分之1200=10

x分之120-1.5x分之120等于1x分之1200-1.5x分之1200=10
120/x - 120/(1.5x) = 1
1/x - 1/(1.5x) = 1/120
(1.5-1)/(1.5x) = 1/120
1/(3x)=1/120
3x=120
x=40
1200/x-1200/(1.5x)=10
1/x - 1/(1.5x) = 1/120
(1.5-1)/(1.5x) = 1/120
1/(3x)=1/120
3x=120
x=40
360/x + 360/{(1+50%)x} = 2
1/x + 1/(1.5x) = 1/180
(1.5+1)/(1.5x) = 1/180
x= 180 * 2.5 / 1.5 = 300