试题:
1
4
=______/12=7/______=______%

答案:

我来补答
(1)
1
4
=
1×3
4×3
=
3
12

(2)
1
4
=
1×7
4×7
=
7
28

(3)
1
4
=0.25=25%;
故答案为:3,28,25.
 
 
展开全文阅读
剩余:2000
这些题目你会做吗?