2x+33.

1.x/x-y * y^2/x+y -x^4y/x^4-y^4÷ x^2/x^2+y^2 2.(x^2-4/x^2-x-6+ x+2/x-3)÷ x+1/x-33.(x+1-1/1-x)÷（x- x^2/x-1)4.x-1/x^2+3x+2/6/2+x-x^2-10-x/4-x^21111111111111111111111111111111 5x+2x=33. 1.（x+2)^2-(x+y)^32.(x-y)^2-(x-y)^33.(x-y)^2-(y-x)^3 2x+33. 300字读后感 2篇 俄把格式说一下吧：《xxxx》（写题目）主要内容：x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容）思考分析：x x x *-----------------------------------------------*| 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 || 因式分解a^4+3a^3+3a^2+2a2.（x-X^2)^3+(x+1)^3(x-1)^3-2(1-x)^33.(xy-1)^2+(x+y-2)(x+y-2xy)4.1+x+x^2+x^3+x^4+...+x^155.x^15+x^12+x^9+x^6+x^3+1 分解因式：x*x*x*x+2*x*x*x-9*x*x-2x+8 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 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. 当x取何值时下列代数式有意义1.根号x的平方2.根号x-2/x-33.x的平方+24.根号x-根号-x 1.|x||x-1|-33.|x^2-3|>2x4.1/(x^2-2)≤1/|x| 1.分解因式：4x³-31x+152.把12x²+14xy-20y²+20x-11y+33.x³+6x²+11x+64.x⁴+2x³-9x²-2x+85.x²+xy-6y²+x+13y-66.x³+5x²+3x-9 (x/x-2-x/x+2)/4x/x-2 分解因式----（X*X-X)(X*X-X-2)+1 判断单调性,并求出单调区间1.f(x)=x^3+x^2-x2.f(x)=3x+x^33.f(x)=x+cos x,x属于(0,派/2) |-x|+|x+2|-|2-x|