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计算.28+58= 15+45= 36+36= 17+57= 79-39= 1-310= 34-14= 56-16=

编辑:chaxungu时间:2026-04-27 14:07:14分类:小学数学题库

计算.
2
8
+
5
8
=
1
5
+
4
5
=
3
6
+
3
6
=
1
7
+
5
7
=
7
9
-
3
9
=
1-
3
10
=
3
4
-
1
4
=
5
6
-
1
6
=

2
8
+
5
8
=
7
8
1
5
+
4
5
=1
3
6
+
3
6
=1
1
7
+
5
7
=
6
7
7
9
-
3
9
=
4
9
1-
3
10
=
7
10
3
4
-
1
4
=
1
2
5
6
-
1
6
=
2
3