一只蚂蚁位于222正方体空心框架的A点，向B点爬行。如果只准沿着框架线条爬。则最短路线一共有几条? A.64 B.90 C.99 D.100

作者: tihaiku 人气: - 评论: 0

问题一只蚂蚁位于222正方体空心框架的A点，向B点爬行。如果只准沿着框架线条爬。则最短路线一共有几条?

选项 A.64 B.90 C.99 D.100

答案 B

解析要求最短路径，则蚂蚁在每个点只能向上、前、右爬。记向右爬为x，向前爬为y，向上爬为

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一只蚂蚁位于222正方体空心框架的A点，向B点爬行。如果只准沿着框架线条爬。则最短路线一共有几条? A.64 B.90 C.99 D.100

相关内容：蚂蚁,正方体,空心,框架,线条,路线,共有

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