13+1326+3618+4857-1749+1945-25710+21067-5734-34.-数学

题文

1
3
+
1
3
2
6
+
3
6
1
8
+
4
8
5
7
-
1
7
4
9
+
1
9
4
5
-
2
5
7
10
+
2
10
6
7
-
5
7
3
4
-
3
4
题型:解答题  难度:中档

答案

1
3
+
1
3
=
2
3
2
6
+
3
6
=
5
6
1
8
+
4
8
=
5
8
5
7