试题:
4
15
+
7
15
=
1-
7
10
=
4
7
-
4
7
=
13
9
-1=
3
8
+
5
8
=
1
3
+
4
9
=
1
2
-
1
3
=
2
3
+
2
3
+
2
3
=

答案:

我来补答
4
15
+
7
15
=
11
15
1-
7
10
=
3
10
4
7
-
4
7
=0,
13
9
-1=
4
9
3
8
+
5
8
=1,
1
3
+
4
9
=
7
9
1
2
-
1
3
=
1
6
2
3
+
2
3
+
2
3
=2.
故答案为:
11
15
3
10
,0,
4
9
,1,
7
9
1
6
,2.
 
 
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