图中几条直线、几条射线、几条线段？（四年级上册数学问题）

数线的问题，比较繁琐，可以采取有序思考的方法，逐一解决。

数直线时，根据直线特征：没有端点，向两端无限延长。

数射线时，根据射线特征：只有一个端点，向另一端无限延长。

数线段时，根据线线特征：有两个端点，有限长。

聪明的同学，你的答案是多少呢？分享一下吧！

推荐阅读：
5 Music Blogs That Are Rocking It And How To Get Your Own Band F　 Depth First Search Algorithm with Hash Set to Find Elements in a　 Algorithms to Count How Many Numbers Are Smaller Than the Curren　 Finding the Closest Divisors　 Greedy Solution to Reconstruct a 2-Row Binary Matrix　 How to Use jOOQ Library to Write SQL in Java using Fluent Style?　 Algorithm to Compute the Number of Days Between Two Dates　 How to Sort Integers by The Number of 1 Bits?　 Using Depth First Search Algorithm to Delete Tree Nodes with Sum　 Web Strategies to Start Your SEO Journey