化简算式4X(2x-7)-2X(x-1)、6X(4x-4)、6-3X(2-x)、5x-3X(2-x)、a+a-(a-1)
来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/04/28 19:37:35
化简算式4X(2x-7)-2X(x-1)、6X(4x-4)、6-3X(2-x)、5x-3X(2-x)、a+a-(a-1)、38+2X(2-x)、x-9x+8x
格式:
3X(x+1)+2x
=3x+3+2x
=5x+3
格式:
3X(x+1)+2x
=3x+3+2x
=5x+3
4X(2x-7)-2X(x-1) 6X(4x-4) 6-3X(2-x) 5x-3X(2-x) a+a-(a-1) 38+2X(2-x) x-9x+8x
=8x-28-2x+2 =24x-24 =18-6+3x =5x-6+3x =2a-a+1 =38+4-2x =-8x+8x
=6x-26 =12+3x =8x-6 =a+1 =42-2x
=8x-28-2x+2 =24x-24 =18-6+3x =5x-6+3x =2a-a+1 =38+4-2x =-8x+8x
=6x-26 =12+3x =8x-6 =a+1 =42-2x
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
x^2-x/x+1÷x/x+1 ;x^2+6x+9/x^2-9÷x+2/x-3;2/a÷4/a
a*b=2×a+b 计算x*2x*3x*4x*5x*6x*7x*8x*9x=3039 x=
若(2x^2-x-1)^3=a^0+a^1x+a^2x^2+a^3x^3+a^4x^4+a^5x^5+a^6x^6,则a
(x+2/x+1)-(x+4/x+3)-(x+3/x+2)+(x+5/x+4)
3x/6x^2z a+b/a^2-b^2 x^2+2x+1/x^2+x 3x-6/x^2-4x+4
1/(x+2)(x+4)+1/(x+a)(x+6)+1/(x+6)(x+8)=2/(3x+24) 解方程
x^2-6x+5= A(x-2)(x-3)B(x-6)(x+1)
6/(x+1)=(x+5)/[x(x+1)] (3-x)/(x-4)+1/(4-x)=1 2/(1+x)-3/(1-x)
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?