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笔直的跑道一旁播着51面小旗,它们间隔是2米.现在要改为只播26面小旗两端的旗子不动,间隔应改为多少长?
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笔直的跑道一旁插着51面小旗,它们的间隔是2m.现在要改为只插26面小旗(两端的旗子不动),间隔应改为多少米?
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笔直的跑道,一旁插着51面小旗,它们的间隔是2米.现在要改为26面小旗,间隔应改为多少米?
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笔直的跑道一旁插着51面小旗,它们的间隔是2米.现在要改为只插26面小旗,间隔应改为多少米?
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笔直的跑道一旁插着51面小旗,它们的间隔是2米.现在要改为只插26面小旗,间隔应改为多少米?
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笔直的跑道一旁插着51面小旗,它们的间隔是2米.现在要改为只插26面小旗,间隔应改为多少米?
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笔直的跑道一旁插着51面小旗,它们的间隔是2米.现在要改为只插26面小旗,间隔应改为多少米?
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笔直的跑道一旁插着51面小旗,它们的间隔是2米.现在要改为只插26面小旗,间隔应改为多少米?
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笔直的跑道一旁插着51面小旗,它们的间隔是2m.现在要改为只插26面小旗 两端不旗子不动
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跑道一旁插着51面小旗,小旗之间的间隔是2米.改为只插26面小旗,两面小旗之间的间隔应改为多少米?
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笔直的文化长廊一旁插着23面小旗,它们的间隔是2.5现在要改为只插12面小旗(两端的旗子不动),