lim(x→0)[e^x-e^(2x)]/x
lim(x→0)(1-x^2-e^-x)/sinx
lim(x→0)[e^x-e^(-x)]/sinx=?
lim x→0 e^x-e^-x-2x/x-sinx的极限
求极限lim(x->0)(x+e^x)^2/x
求极限lim(x~0)((e^x+e^2x+e^3x)/3)^1/x
Lim(x/e)^((x-e)^-1),x→e
求lim(n→0)(e^x-e^-x-2x)/(x-sinx)
设函数f x=e^2x-2x,lim f'(x)/e^x -1等于 ,x→0
lim(x→0) (e^x-cosx)/x
lim (x→0) (e^x-x)^(1/sinx)
求极限 lim/x-0 (e^x+sinx+x^2)
lim(x->0)ln(1+2x)/e^x-1