-
凑十法，破十法
练习题
.
9
+
4
=
9
+
2
=
9
+
6
=
？
9
+
3
=
9
+
8
=
'
8
+
7
=
8
+
5
=
?
7
+
9
=
@
7
+
6
=
6
+
9
=
？
9
+
2
=
9
+
9
=
8
+
9
=
8
+
4
=
7
+
8
=
7
+
4
=
6
+
8
=
9
+
7
=
8
+
8
=
8
+
6
=
8
+
3
=
7
+
7
=
7
+
5
=
6
+
7
=
-
-
-
-
-
-
-
-
本文更新与2021-02-11 18:49，由作者提供，不代表本网站立场，转载请注明出处：https://www.bjmy2z.cn/gaokao/638229.html