What is the greatest number of regions into which an equilateral _英语解答

What is the greatest number of regions into which an equilateral triangle can be divided using exactly three straight lines..

人气：305 ℃　时间：2020-05-13 15:26:00

解答

一个等边的三角形用3条直线最多可以分成多少个区域.
那你拿张纸画一下就好了,很简单的哇,我画下来是7块,不知道有没有错.