问题 解答题
直接写出得数
6
7
-
4
7
=
9
10
-
6
10
=
5
9
+
3
9
=
1
2
+
1
2
=
1-
3
4
-
1
4
=
1
2
+
1
3
=
2
3
-
1
6
=
5
8
+
3
10
=
答案

6
7
-
4
7
=
2
7
9
10
-
6
10
=
3
10
5
9
+
3
9
=
8
9
1
2
+
1
2
=1,
1-
3
4
-
1
4
=0,
1
2
+
1
3
=
5
6
2
3
-
1
6
=
1
2
5
8
+
3
10
=
37
40
故答案为:
2
7
3
10
8
9
,1,0,
5
6
1
2
37
40

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