作业帮
52+2X=3X-1x是几
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
(x-3)分之x-(x^2-3x)分之(x+6)+x分之1等于几?
(x+2)/x(x-2)-(x-1)/x²-4x+4=几,
x/（x-3）-2/（x+3）=1【x等于几
以知x+x-1次方=3则x平方+x-2次方等于几
5x-3x=1 求x等于几?
x+1=x+2 x等于几?
int x=2; x*7.2/x+1 等于几
2x-(7-3x)/5=4-6x与2mx-(3x-5)/4=2-(5x-1)/6同解.m是几?
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
x(x-3)=(x-2)(x-6),x值为几?