计算:x(9x-5)-(3x+1)(3x-1)

计算:|3-x|+|x-1|(x>5) 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 计算：(1)/(x-3)÷(x+2)/(x^2-9)-(1)/(x^2+5x+6) x/x-3-5x/x^2-x-6计算 计算:x/x-2 - 5x/x²-x-6计算:x/x-3 - 5x/x²-x-6 计算:[(x+2)/(x+3) - (x+1)/(x+2) + (x+4)/(x+5) - (x+3)/(x+4) / (x^2 + 7x + 13)/(x^2 + 8x + 15) 计算：5x-(x-3)(x+5) 计算:x/(1-x)-1/(x-3) 计算3x^3-(x^2 +2x)(3x-1)-3(x+5)(x-2) 计算：(2x+3)(3x-4)>(x+1)(x-1)+5x(x+3)+7 2x/x-1+1/x+3-3x+5/x^2+2x-3计算, 计算 2+x+3/x-1*x^2-2x+1/x^2+6x+9 计算:1/(x+3)(x+4)+1/(x+4)(x+5).1/(x+99)(x+100) x(x²-1)+2x²（x+1)-3x（2x-5)计算 计算x^2-5x+6/x^2-1/x^2+x/x-3 计算：(x-1)(x^2-4X+3)-x(x^2-5X+2)有过程 计算1/x×(x+3)+1/(x+3)×(x+6)+1/(x+6)×(x+9)+1/(x+9)×(x+12) 计算(x+2)/(x+1) - (x+3)/(x+2) + (x+4)/(x+3) - (x+5)/(x+4)