问题 填空题
4=
()
2
=
()
7
5
25
=
20
()
=
()
5
=4÷______=______(小数)
答案

(1)4=

8
2
=
28
7

(2)

5
25
=
20
100
=
1
5
=4÷20=0.2;

故答案为:8,28,100,1,20,0.2

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