直接写得数.49+29=38+38=811-511=1-512=913-413=1-38-18=-数学

题文

直接写得数.
4
9
+
2
9
=
3
8
+
3
8
=
8
11
-
5
11
=
1-
5
12
=
9
13
-
4
13
=
1-
3
8
-
1
8
=
题型:解答题  难度:中档

答案

4
9
+
2
9
=
2
3
3
8
+
3
8
=
3
4
8
11
-
5
11
=
3
11

1-
5
12
=
7
12
9
13
-
4
13
=
5
13
1-
3
8
-
1
8
=
1
2