解关于x的方程:x2-3x-1=0
由题意得:a=1,b=-3,c=-1,
∴x=-b±b2-4ac2a=3±9+42=3±132.
—Miss Wang’s class is very interesting.
—________. We all like her class very much.
A.That’s for sure
B.I don’t think so
C.Is that OK
D.Here you are
配合型筹资政策和激进型筹资政策的共同特点是,全部临时性流动资产都是由临时性负债来满足的。 ( )