(1-1/(x-2))÷(3-x)/(2x-4)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/29 05:49:24
![(1-1/(x-2))÷(3-x)/(2x-4)](/uploads/image/z/4326579-27-9.jpg?t=%281-1%2F%28x-2%29%29%C3%B7%283-x%29%2F%282x-4%29)
x)05ר5<]XBS_èBD&H~
!//O?fFUCmTP"1Ti]#<;DX
(1-1/(x-2))÷(3-x)/(2x-4)
(1-1/(x-2))÷(3-x)/(2x-4)
(1-1/(x-2))÷(3-x)/(2x-4)
解
原式
=[(x-2)/(x-2)-1/(x-2)]×[2(x-2)/(3-x)]
=[(x-2-1)/(x-2)]×[2(x-2)/(3-x)]
=(x-3)/(x-2)×2(x-2)/(3-x)
=-2
*-----------------------------------------------*| 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 ||
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
七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式:X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X.
[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简[x^2+2x-8/x^3+2x^2+x]÷[(x-2/x)×(x+4/x+1)]化简
(x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3
X^2-3X-2=0,求( x - 2x-1/x )÷(x-1)/(x^2-2x)
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
x{x+1}{x-1}}x-2}{x-3}-40
|x+1|-|x|+|x-2|-|-x+3|已知x+2
x^5-x^4+x^3-x^2+x-1
(X+1)X(X+2)X(X+3)=504
求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X
化简 3x(x^2-x-1)-(x+1)(3x^-x) X^3(x-y)+x(y-x)
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^2-x/x+1÷x/x+1 ;x^2+6x+9/x^2-9÷x+2/x-3;2/a÷4/a
x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4)2.2/3+x/(3x-1)=1/9x-3
难倒爱因斯坦的九宫格X 7 X | X 8 1 | X X X |X X X | X 4 X | 7 5 9 |X X 5 | 7 X 9 | X 1 4 |5 X X | X X 8 | 3 9 X |3 9 6 | 4 X 7 | X X 2 |X 8 7 | 9 X X | X X X |4 X X | 6 X 5 | X X X | X X 4 | X X 1 |2 X X | X X X | X X X | X 3 X | X X X |X 6
如下9*9宫图如何填x x x 1 x x x 2 9x x 5 x x x x x 4x 6 8 x x x x x xx x x 7 x x 5 x xx 2 x x 6 x x 8 xx x 3 x x 9 x x xx x x x 5 x 1 6 x 4 x x x 3 x x x x 7 x x x x 2 x x x