问题 解答题
直接写得数.
5
9
+
8
9
=
1
8
+
7
8
=
19
24
-
19
24
=
1-
1
6
-
1
6
=
3
7
+
4
7
=
11
8
-
1
8
=
1
4
-
1
9
=
7
8
-
3
8
+
3
8
=
答案

5
9
+
8
9
=
13
9
1
8
+
7
8
=1
19
24
-
19
24
=0
1-
1
6
-
1
6
=
2
3
3
7
+
4
7
=1
11
8
-
1
8
=
5
4
1
4
-
1
9
=
5
36
7
8
-
3
8
+
3
8
=
7
8

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