Five circles on a page are connected as shown,three different colors are available.

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Five circles on a page are connected as shown,three different colors are available.

Five circles on a page are connected as shown,three different colors are available.
Five circles on a page are connected as shown,three different colors are available.

Five circles on a page are connected as shown,three different colors are available.
这是一道数学题,或智力测验题.
如图5个圆圈相连,有3个不同颜色.(猜下面的问题应该是,用颜色涂圆圈有多少种涂法,使相邻的圆圈有不同颜色.)