问题 解答题
直接写得数:
3
8
×4=______;
2-
1
3
=______;
2
5
÷
4
5
=______;
1
3
×
1
3
=______;
4
5
×
3
5
=______;
3
8
÷
6
8
=______;
2
7
×
14
3
=______;
3
4
+
4
5
=______;
1
3
=______;
8
9
×18=______;
7
3
×
8
21
=______;
7
6
÷
6
7
=______.
答案

3
8
×4=
3
2
2-
1
3
=1
2
3
2
5
÷
4
5
=
1
2
1
3
×
1
3
=
1
9
4
5
×
3
5
=
12
25
3
8
÷
6
8
=
1
2
2
7
×
14
3
=
4
3
3
4
+
4
5
=
31
20
1
3
=0;
8
9
×18=16;
7
3
×
8
21
=
8
9
7
6
÷
6
7
=
49
36
故答案为:
3
2
,1
2
3
1
2
1
9
12
25
1
2
4
3
31
20
,0,16,
8
9
49
36

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