10*2X=25,求10*X+1
3^x=2^x,求x.5^(x-1)·10^3x=8^x求x
1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少
已知x=9/2 求:[(x^+7x+10)/(x^2+6x+5)]×[(x^3+1)/(x^2
求函数y=\x-1\+\x-2\+\x-3\+\x-4\+\x-5\+\x-6\+.+\x-10\的最小值
已知x=100,求x(x+1)分之1+(x+1)(x+2)分之1+(x+2)(x+3)分之1+.+(x+99)(x+10
f(x)=1/(x+1)(x+2)+1/(x+2)(x+3)+1/(x+3)(x+4)+.1/(x+9)(x+10) 求
x=1/6x+1/10x+1/7x+5+1/2x+4 求x
设x-1\x=3,求x^10+x^8+x^2+1\x^10+x^6+x^4+1的值,
(1)当x=2时,求代数式2x²(x²-x+1)-x(2x³-10x²+2x)的
若x》-1,求函数y=(x^2+7x+10)/(x+1)的最小值
已知x>-1,求函数y=(x^2+7x+10)/(x+1)的最小值
解方程:(2x+5)(4x*x-10x+25)=8x(x*x+1)