问题 解答题
填上适当的数.
3
5
=______(小数)=______%=______÷______=
30
()

1
7
×
______=
1
9
×______=
1
3
÷
______=
2
5
+______=______-
1
4
答案

(1)

3
5
=0.6=60%=3÷5=
30
50

(2)

1
7
×7=
1
9
×9=
1
3
÷
1
3
=
2
5
+
3
5
=
5
4
-
1
4

故答案为:0.6,60,3,5,50,7,9,

1
3
3
5
5
4

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