1 3/2 0 3 1/2 2 -1 21 3/2 03 1/2 2-1 2 -3

来源：学生作业帮助网编辑：六六作业网时间：2024/07/05 15:00:37

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1 3/2 0 3 1/2 2 -1 21 3/2 03 1/2 2-1 2 -3
1 3/2 0 3 1/2 2 -1 2
1 3/2 0
3 1/2 2
-1 2 -3