作业帮6/(x-6)=(x-6+3)/(6+x-3)如何解算
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6/(x-6)=(x-6+3)/(6+x-3)如何解算
6/(x-6)=(x-6+3)/(6+x-3)如何解算
6/(x-6)=(x-6+3)/(6+x-3)如何解算
6/(x-6)=(x-3)/(x+3)
6(x+3)=(x-6)(x-3)
6x+18=x²-9x+18
x²-15x=0
x(x-15)=0
x=0,x=15
分式方程要检验
经检验,x=0和x=15是原方程的根
6/(x-6)=(x-6+3)/(6+x-3)
6(6+x-3)=(x-6)(x-6+3)
6(x+3)=(x-6)(x-3)
6x+18=x²-9x+18
x²-15x=0
x(x-15)=0
x=0或x=15
检验，x=0和x=15是原方程的根
6/(x-6)=(x-6+3)/(6+x-3)
6/(x-6)=(x-3)/(x+3)
6(x+3)=(x-3)(x-6)
6x+18=x^2-9x+18
x^2-15x=0
x=0或x=15
6X+18=x²-9x+18
x=0
x=15
*-----------------------------------------------*| 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 ||
x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 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?
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
2x+3x+4x+5x+x+6x+7x=100
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=?
已知3x*x-x=1,求6x*x*x+7x*x-5x+2000
X(x平方-6x-9)-x(x平方-8x-15)+2x(3-x)其中x=-六分之一
3x+5x-6x=?
(x+3x+5x...+2009x)-(2x+4x+6x+...+2010x)
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
[3/x]-[4/x-1]=6/x-x²
3.268=3X()+2X()+6X()+8X()
[3/x]-[4/x-1]=6/x-x²
x平方+5x+6=(x+3)(x+几)
(x+2)(x-3)(x-6)(x-1)=0