问题 填空题
(______÷______)=______:20=
20
(25)
=
4
5
=______%=______小数=______成.
答案

4
5
=
16
25
 
=4÷5=0.8=80%=八成=4:5=16:20;

故答案为:4,5,16,25,80,0.8,八.

问答题
单项选择题