∵ab=cd=ef=59,
∴a+c+eb+d+f=59.
故答案为:59.
---Is Peter there?
--- , please. I'll see if I can find him for you.
A.Hold up
B.Hold on
C.Hold out
D.Hold off
按照土地的管理目的的不同,可将土地价格分为______。
A.监测地价
B.管理地价
C.标定地价
D.基准地价
E.抵押地价