(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a) (3)x^-1(4)-8x^y^+2x^3y+8xy^(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a)(3)x^-1(4)-8x^y^+2x^3y+8xy^
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(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a) (3)x^-1(4)-8x^y^+2x^3y+8xy^(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a)(3)x^-1(4)-8x^y^+2x^3y+8xy^
(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a) (3)x^-1(4)-8x^y^+2x^3y+8xy^
(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a)
(3)x^-1(4)-8x^y^+2x^3y+8xy^
(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a) (3)x^-1(4)-8x^y^+2x^3y+8xy^(1)(x-1)(x+1)-(x+1)^2(2)(10a^8-6a^5+2a)/(-2a)(3)x^-1(4)-8x^y^+2x^3y+8xy^
(1)(x-1)(x+1)-(x+1)^2
=(x+1)(x-1-(x+1))
=-2(x+1)
(2)(10a^8-6a^5+2a)/(-2a)
=((-2a)(-5a^7+3a^4-1)/(-2a)
=-5a^7+3a^4-1
(3)x^-1
=1/x
(4)-8x^y^+2x^3y+8xy^
-8x^2y^2+2x^3y+8xy^2
=2xy(x^2-4xy+y)
x/x+(1-x)/x-1/x
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
[x(x+1)+x平方(x-1)]+(-3x)
*-----------------------------------------------*| 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
跪求1到6年级语文书(人民教育出版社)上的日积月累以及古诗词格式:一年级上下册古诗词:X X X X X X X X X X 二年级上下册古诗词:X X X X X X X X X X 三年级上下册古诗词:X X X X X X X X 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.
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
(x+1)(x-1)(x-x+1)(x+x+1)
分解因式----(X*X-X)(X*X-X-2)+1
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
X(X-1)=X
1.1/x|x/(x+1)|
请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
x/x-1[1+(x-1/x)]
x-1/x÷(x-1/x)
】x(x+1)+x^2(x-1)
1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做