18/( )=0.45=_:60=36÷_=_%=_折.

问题描述:

18
(   )
=0.45=______:60=36÷______=______%=______折.

18
40
=0.45=27:60=36÷80=45%=四五折.
故答案为:40,27,80,45,四五.