1.计算下列极限:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
2.计算下列极限:
(6) 4H9DRfDL9oB/UpA6pNoOGINm+yfytnHSC+qj8kWEjAu96iCPT7+8aE3kW+0IKCx3