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A地到B地原计划栽树81棵,相邻两棵树的距离为6米,后来决定种97棵,相邻两棵树应相距几米?
人气:364 ℃ 时间:2020-04-16 07:31:58
解答
(81-1)×6÷(97-1)=5(米)
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