问题 解答题
直接写得数:
3
5
×
1
2
=
1
2
÷3=
10÷
5
7
=
7
12
÷
7
4
=
5
6
÷
2
3
=
1
9
÷
1
3
=
2
7
=
5
16
×
8
15
=
7+
5
9
=
答案

3
5
×
1
2
=
3
10

1
2
÷3=
1
6

10÷

5
7
=14;

7
12
÷
7
4
=
1
3

5
6
÷
2
3
=
5
4

1
9
÷
1
3
=
1
3

2
7
=
7
2

5
16
×
8
15
=
1
6

7+

5
9
=7
5
9

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