试题:
______:10=
21
()
=______÷20=______%=0.7=
()
80

答案:

我来补答
7:10=
21
30
=14÷20=70%=0.7=
56
80

故答案为:7,30,14,56.
 
 
展开全文阅读
剩余:2000
这些题目你会做吗?