原式=lime^[xlnln(1/x)] =lime^{[lnln(1/x)]/(1/x)} =e^lim{[1/ln(1/x)]*x*(-1/x^2)/(-1/x^2)} =e^lim{x/(ln1-lnx)} =e^0=1（*代表乘号,所有lim下方标明x-...