x/x-1一3/(x-1)(×十2)一1
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x/x-1一3/(x-1)(×十2)一1x/x-1一3/(x-1)(×十2)一1x/x-1一3/(x-1)(×十2)一1
x/x-1一3/(x-1)(×十2)一1
x/x-1一3/(x-1)(×十2)一1
x/x-1一3/(x-1)(×十2)一1
X十X十3/1一X二24
计算:6x2一(2x一1)(3x一2)十(x十2)(x一2)一x(x十7)这题怎么做?
解方程:(x一3)(x十1)=x(2x十3)一(x的平方十1)
3x(2x十1)一(2x十3)(2x十3)(x一5)
(x十3)(x一3)十8>(x十5)(x一1)解不等式
|x-2|十|x-3|一|x-1|的最大值
计算:/3一x/十/x一1/(x>5)
1/(x^2一4x十3)十1/(x^2一8x十15)十1/(x^2-12x十35)十1/(x^2一16x十63)=
分解因式(x'2十x一6)(x'2十x一8)一24;(x十1)(x一2)(x一3)(x一6)十20;
已知x十y十2(一x一y十1)=3(1一y一x)一十(y十x一1),求x十y的值
(x^2一2x)^2十2(x^2一2x)十1
2x一1/3(x+1)=4x一(2X十1/2)
2(x一2)十3(2x一1)=9(x一1)
3一(2x一1)≥5x十4,2分之x一3
x^2(x十3)十x(x^2一3)十3x(x^2+x一1) 用不用化到x(5x^2十6x一6) 数学题
3(2x一1)十5(1一2x)十2x十4=0怎么解
1十2x=3x一1
3x一2≥2x十1