金条多少钱一根:2/(X^2)=3/(3-X)
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接方程:
2/(X^2)=3/(3-X)
2/(-2x+1)=9/(2+x)
2/(X^2)=3/(3-X)
2/(-2x+1)=9/(2+x)
第二题的答案是:X=0.25
第一题的解(3X-1)(X+1)=5
x*(x/3)=(x-5)*(x/3+1)/2 x=?
谁会解这道题:(X-5)/(X-7)+(X-2)/(X-4)=(X-3)/(X-5)+(X-4)/(X-6)求X的值
f(x)=2x(x-1)/(2x-3) x>2求最小值
(x-4)(x-2)-(x-1)(x+3),其中x=-2/5
(x+1/x+2)-(1/x+7)=(x+2/x+3)-(1/x+6)
方程(x+1/x+2)+(x+2/x+3)=(x+3/x+4)+(x+4/x+5)的解
1/(X+1)X+1/(X+1)(X+2)+1/(X+2)(X+3)+1/(X+3)(X+4)=?
解方程式3x*x*x+x*x=2
x>0,f(x)=(x+1/x)^6-(x^6+1/x^6)-2(分子),(x+1/x)^3+(x^3+1/x^3)分母 则f(x)>=?
x>0,f(x)=(x+1/x)^6-(x^6+1/x^6)-2(分子),(x+1/x)^3+(x^3+1/x^3)分母 则f(x)?