1.计算下列函数的极限:
(1)
(2)
(3)
(4)
2.计算下列函数的极限:
(5)
(6)
3.求下列函数的极限:
(4) FgZRyZ5ccO4PFjZyPK1kXrwHAMkTyUvWJj04MXRHPj3Rt2PkiV5PocEf57sYddzb