作业帮1/23+303/2323+50505/232323+7070707/23232323+909090909/2323232323-1
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/13 14:31:47
1/23+303/2323+50505/232323+7070707/23232323+909090909/2323232323-1
1/23+303/2323+50505/232323+7070707/23232323+909090909/2323232323-1
1/23+303/2323+50505/232323+7070707/23232323+909090909/2323232323-1
原式=2/23