1:5=_%=_÷40=4:_=(-)分数=_(填小数)
问题描述:
1:5=______%=______÷40=4:______=(-)分数=______(填小数)
答
1:5=20%=8÷40=4:20=
=0.2.1 5
故答案为:20,8,20,
,0.2.1 5