2x+5x-3=5
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x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4
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(x-3/x-2)-(x-2/x-1)=(x-5/x4)-(x-4/x-3)(x-3/x-2)-(x-2/x-1)=(x-5/x4)-(x-4/x-3)(x-3/x-2)-(x-2/x-1)=(x-5
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+
x(x-2)-2x(x+1)-3x(x-5)其中x=负½x(x-2)-2x(x+1)-3x(x-5)其中x=负½x(x-2)-2x(x+1)-3x(x-5)其中x=负½x
x-2x+3x-4x+5x.+99x-100x=25求解x-2x+3x-4x+5x.+99x-100x=25求解x-2x+3x-4x+5x.+99x-100x=25求解x(1-2+3-4+...+99
2x+3x+4x+5x+x+6x+7x=1002x+3x+4x+5x+x+6x+7x=1002x+3x+4x+5x+x+6x+7x=1002x+3x+4x+5x+x+6x+7x=10028x=100x
x(x+1)+(x+2)+(x+3)+(x+4)+(x+5)=27求xx(x+1)+(x+2)+(x+3)+(x+4)+(x+5)=27求xx(x+1)+(x+2)+(x+3)+(x+4)+(x+5)
x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x=?x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x=?x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7x
x^5-2x^3+x=?x^5-2x^3+x=?x^5-2x^3+x=?x^5-2x^3+x=x(x^4-2x^2+1)=x(x²-1)²=x(x+1)²(x-1)
写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(x-2)-4写过程x(x-1)+2x(x+1)-3x(2x-5)-x(3x-2)+2x(2-x)=-5x(
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!)+.用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x
5x/(x-2)-2=3(x-2)/x5x/(x-2)-2=3(x-2)/x5x/(x-2)-2=3(x-2)/x5x/(x-2)-2=3(x-2)/x通分得:5x^2-2x(x-2)=3(x-2)^
8x+3(x-2)=5x+(x-3)8x+3(x-2)=5x+(x-3)8x+3(x-2)=5x+(x-3)8x+3x-6=5x+x-311x-6x=35x=3x=3/5
(X-5)(X+3)+(X-2)(X+4)=26(X-5)(X+3)+(X-2)(X+4)=26(X-5)(X+3)+(X-2)(X+4)=26x²-2x-15+x²+2x-8=2
x(x+2)(x+3)(x+5)=7x(x+2)(x+3)(x+5)=7x(x+2)(x+3)(x+5)=7x(x+2)(x+3)(x+5)=7[x(x+5)][(x+2)(x+3)]=7(x
1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x^12=97.8x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11+x
如果1+x+x^2+x^3=0,求x+x^2+X^3+x^4+x^5+x^6+x^7+x^8的值,如果1+x+x^2+x^3=0,求x+x^2+X^3+x^4+x^5+x^6+x^7+x^8的值,如果
已知x=2π+1求|x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10|已知x=2π+1求|x-1|+|x-2|+|x-3|+|x-4