30%x-50+(3/4x-350)=x 怎么解
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 13:02:55
30%x-50+(3/4x-350)=x怎么解30%x-50+(3/4x-350)=x怎么解30%x-50+(3/4x-350)=x怎么解30%x-50+(3/4x-350)=x0.3x-50+0.7
30%x-50+(3/4x-350)=x 怎么解
30%x-50+(3/4x-350)=x 怎么解
30%x-50+(3/4x-350)=x 怎么解
30%x-50+(3/4x-350)=x
0.3x-50+0.75x-350=x
0.3x+0.75x-x=350+50
0.05x=400
x=400/0.05
x=8000
30%x-50+(3/4x-350)=x
0.3x-50+3/4x-350=x
0.3x+3/4x-x=50+350
0.05x=400
x=400÷0.05
x=8000
当2x=30x 3x=40x 4x=50x时 那么
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
X-X/12-X/7-X/8-X/4-X/20-X/5-30-120-300=50解方程
3/4x-20+15/50-2x*x+7/6x+30=0
4X+8.60x2=30 4X-X=39 7X+90x7=1463 3X-2+X=50 X=多少 (是小题,格式,
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
30%x-50+(3/4x-350)=x 怎么解
30-3(3-X)=4X 3X+12*6=15X+12 4X-2(50-X)=20 12(X-13)=10(X+3) 100-X=3(20+X)
x+3x+x-2+x+x+50%x=188 求x
(x-3/x-2)-(x-2/x-1)=(x-5/x4) -(x-4/x-3)
x-2x+3x-4x+5x.+99x-100x=25求解
2x+3x+4x+5x+x+6x+7x=100
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x
(16x-13)/(4x-3)-(20x-24)/(4x-5)=(32x-30)/(8x-7)-(40x-43)/(8x-9)求x
X+X+X+(X-1)+(X-2)+(X-3)+(X-4)=10(X-3)+(X-4)
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
x^4+x^3+x^2+x+1=0,x^2006+x^2005+x^2004+x^2003+x^2002