12+12-12-12-12-12+99-21-12-12+789-123-123+789=

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/29 03:50:12
12+12-12-12-12-12+99-21-12-12+789-123-123+789=12+12-12-12-12-12+99-21-12-12+789-123-123+789=12+12-12

12+12-12-12-12-12+99-21-12-12+789-123-123+789=
12+12-12-12-12-12+99-21-12-12+789-123-123+789=

12+12-12-12-12-12+99-21-12-12+789-123-123+789=
1362