问题 解答题
直接写出得数:
1
10
+
3
10
=
7
9
-
5
9
=
1
2
+
1
3
+
1
4
=
1
4
-
1
5
=
2
3
-
1
6
=
4
11
+
3
11
+
2
11
=
1-
5
18
=
1-
3
7
-
2
7
=
7
12
-
1
6
=
1
2
+
1
2
=
17
18
-
4
9
-
1
6
=
7÷9=
答案

1
10
+
3
10
=
2
5
7
9
-
5
9
=
2
9
1
2
+
1
3
+
1
4
=
13
12
1
4
-
1
5
=
1
20
2
3
-
1
6
=
1
2
4
11
+
3
11
+
2
11
=
9
11
1-
5
18
=
13
18
1-
3
7
-
2
7
=
2
7
7
12
-
1
6
=
5
12
1
2
+
1
2
=1,
17
18
-
4
9
-
1
6
=
1
3
,7÷9=
7
9

解答题
单项选择题