30-x=(40-x)5/3
来源:学生作业帮助网 编辑:六六作业网 时间:2025/02/07 15:09:38
30-x=(40-x)5/330-x=(40-x)5/330-x=(40-x)5/390-3x=200-5x2x=110x=55X=5590-3X=200-5X∴2X=110X=5530-x=(40-
30-x=(40-x)5/3
30-x=(40-x)5/3
30-x=(40-x)5/3
90-3x=200-5x
2x=110
x=55
X=55 90-3X=200-5X ∴2X=110 X=55
30-x=(40-x)5/3
(30-x)×3=(40-x)×5
90-3x=200-5x
5x-3x=200-90
2x=110
x=55
60%x+25=40 x+30%x=52 19-120%x=7 4分之3x-5%x=17.5 x-10%x=18 (1-25%)x=36 2x+30%x=9.2
(16x-13)/(4x-3)-(20x-24)/(4x-5)=(32x-30)/(8x-7)-(40x-43)/(8x-9)求x
(30-x)/(40-x)=3/5
3/5*(40-x)=30-x
8x-16=32 x-8分之5x=32 7x-(6+3x)=30 4x+(5-3x)=1940%x+25%x=3908x-16=32 x-8分之5x=32 7x-(6+3x)=30 4x+(5-3x)=19 40%x+25%x=390
4(X+5)+X=80 5X+10=3X+4(X+5)+X=80 5X+10=3X+40
(16x-13)/(4x-3)+(40x-43)/(8x-9)=(32x-30)/(8x-7)+(20x-24)/(4x-5)....
(16x-13)/(4x-3)+(40x-43)/(8x-9)=(32x-30)/(8x-7)+(20x-24)/(4x-5)
用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+.
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
3/x-1=4/x 6/x+1=x+5/x(x+1)
30-x=(40-x)3/5 解方程
30-x=(40-x)3/5要过程
30-x=(40-x)5/3
解方程 (1)1/3x+5/6x=14 x-1/5x=12 40%x+20%x=21.6 x-30%x=1.4
解方程(两个) (40-x)/(12-x)=5 (40+x)/(12+x)=3
解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x-
x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2(x+5)/(x+1)-(3x-3)/(x+5)=(8x+28)/(x^2+4X-5)-2