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

1
3
-
1
5
=
2
15
6
7
÷9=
2
21
1-
7
12
=
5
12
1
2
×
4
3
=
2
3
5
6
÷
2
3
=
5
4
7
10
÷
1
5
=
7
2
7
8
+
3
8
=
5
4
1
5
×
5
8
=
1
8
2
3
+
1
6
=
5
6
2
5
÷
1
3
=
6
5
1
5
-
1
8
=
3
40
1
4
×
3
8
=
3
32
故答案为:
2
15
2
21
5
12
2
3
5
4
7
2
5
4
1
8
5
6
6
5
3
40
3
32

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