问题 填空题
______:
1
4
=
()
12
=
12
()
=0.25.
答案

0.25=25÷100=

1
4

(  ):

1
4
=
1
4

即(  )÷

1
4
=
1
4

1
4
×
1
4
=
1
16

1
4
=
1×12
4×12
=
12
48

1
4
=
1×3
4×3
=
3
12

故答案为:

1
16
,3,48.

判断题
问答题 简答题