1:5=_%=_÷40=4:_=(-)分数=_(填小数)

问题描述:

1:5=______%=______÷40=4:______=(-)分数=______(填小数)

1:5=20%=8÷40=4:20=

1
5
=0.2.
故答案为:20,8,20,
1
5
,0.2.