x^3+3x^2+3x+1怎么化简

1/x(x+1)+1/(x+1)(x+2)+1/(x+2)(x+3)化简怎么算? (x+2)(x+3)-(x+6)(x-1) 怎么算? (x-1)(x+2)(x+3)(x+6)怎么做? ( -x^2 - 2x - 3) / (x + 3)怎么化简? (X^3+X^2-7)/(x-3)怎么化简? 3x-(5x-2x)怎么化简 立方根(x^3+3x^2+3x+1)化简怎么得x+1 x(x+2)-(x-1)(x+2)=3 这道题怎么化简 x(x 2)-(x-1)(x 2)=3 这道题怎么化简 （2x平方-9x+5）x（3x-1）怎么化简 *-----------------------------------------------*| 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 化简：（x+3) / x^2-3x － x-1 / x^2-6x+9）除以x-9 / 3X-x^2怎么化? 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-1/x-2-x-3/x-4=x-2/x-3-x-4/x-5怎么做? (x-1)(x-2)(x-3)(x-4)-(x^2-5x)^2-10(x^2-5x)怎么算? x^8+x^7+x^6+x^5+x^4+x^3+x^2+x+1怎么分解因式 化简怎么写x-1分之2-x÷【x+1-x-1分之3】【1-1-x分之1】÷x-1分之x