2/5=l8:_=_:20=( )25=_÷40=_(填小数)

问题描述:

2
5
=l8:______=______:20=
( )
25
=______÷40=______(填小数)

2
5
=18:45=8:20=
10
25
=16÷40=0.4;
故答案为:45,8,10,16,0.4.