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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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?
(51-1)÷(26-1)×2=50÷25=4(m)
答:两面小旗之间的间隔应改为4m.
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