x/3=0.5十x/4
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x/3=0.5十x/4
x/3=0.5十x/4
x/3=0.5十x/4
x等于12/5
x/3=0.5十x/4
4X十3=3X十9 谢
已知1十x十x^2 十x^3=0,求x十x^2十x^3十x^4+x^5十x^6+x^7十x^8的值
2x十8十3x十8十4x十8=?请算出这道题目求士寸佰了⑥
2(x十3)=3(0.5x十10)
2(3X十2)二4(X十4)
4X十3(X十1)=31
X十3X十4=24怎么解?
(1)(X一3)(X一2)十18=(X十9)(X十1) (2)(3X十4)(3X一4)<9(X一2(1)(X一3)(X一2)十18=(X十9)(X十1)(2)(3X十4)(3X一4)<9(X一2)(X十3)
4(X十3)=6x
(x十1)(x十3)等于6x十4,解这个方程
一(x2十3X)十2(4X十x2),其中X=一2
解方程(1/x十1)十(1/x十4)二(1/x十2)十(1/x十3)
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)=
a,b为常数,f(X)=X^2十4X十3,f(aX十b)=X^2十10X十24,则5a一b=?
8x的平方-【7x-(4x-3)十3】十4x
(x十3)(x十4)一x(x+2)一5
因式分解:(x^2十3x一3)(x^2十3x十4)一8