Five circles on a page are connected as shown,three different colors are available.
问题描述：
Five circles on a page are connected as shown,three different colors are available.
答
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.)