化简到x^3

化简到x^3 *-----------------------------------------------*| 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 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*(-x)3+(-x)*x3 x(x-2)(x-3) {x|(x+3)(x-2) -x^3+x^2-x (x*x-3)*(x*x-3)-x*(x*x-3)-2x*x 因式分解 x×x+3x-9/ x+2 (x^x-(sinx)^x)/x^3极限 x+2x+3x+.+100x 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. 关于数学化简题,怎么从[1/（x+1）]*{（x-1）/（x+3）}+1]化简到[1/（x+1）]*[2(X+1)/(X+3)], 3x-x X平方-3x -x+3a,x