(x+1)/2-(2-3x)/3=1 2-(2x-4)/3 =-(x-7)/6 (2x+1)/3-(5x-1)/6=1
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/07/14 03:46:01
(x+1)/2-(2-3x)/3=1 2-(2x-4)/3 =-(x-7)/6 (2x+1)/3-(5x-1)/6=1 (0.1-0.2x)/0.03-1=(0.7-x)/0.4
( 0.3x+0.7)/0.6-(0.2x-0.4)/0.8=1
( 0.3x+0.7)/0.6-(0.2x-0.4)/0.8=1
(x+1)/2-(2-3x)/3=1
3x+3-4+6x=6
9x=7
x=7/9
2-(2x-4)/3 =-(x-7)/6
12-4x+8=-x+7
3x=13
x=13/3
(2x+1)/3-(5x-1)/6=1
4x+2-5x+1=6
x=-3
(0.1-0.2x)/0.03-1=(0.7-x)/0.4
4-8x-1.2=2.1-3x
5x=0.7
x=0.14
( 0.3x+0.7)/0.6-(0.2x-0.4)/0.8=1
1.2x+2.8-0.6x+1.2=2.4
0.6x=-1.6
x=-8/3
3x+3-4+6x=6
9x=7
x=7/9
2-(2x-4)/3 =-(x-7)/6
12-4x+8=-x+7
3x=13
x=13/3
(2x+1)/3-(5x-1)/6=1
4x+2-5x+1=6
x=-3
(0.1-0.2x)/0.03-1=(0.7-x)/0.4
4-8x-1.2=2.1-3x
5x=0.7
x=0.14
( 0.3x+0.7)/0.6-(0.2x-0.4)/0.8=1
1.2x+2.8-0.6x+1.2=2.4
0.6x=-1.6
x=-8/3
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
x+2/x+3-x+1/x+2=x+8/x+9-x+7/x+8
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
1x+2x+3x+4x+5x+6x+7x…+99x=100
(X+2)/(X+1)-(X+4)/(X+3)=(X+6)/(X+5)-(X+8)/(X+7)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)