小朋友排成一队,从前面数小力排在第10个
- 时间:2020-06-19 15:24:28
- 分类:数学世界
- 阅读:121 次
小朋友排成一队,从前面数小力排在第10个,从后面数小云排在第8个,小力和小云之间有2个小朋友,这对小朋友有( )人或( )人。这是一年级暑假作业中的题目,答案不就是20个人吗?为什么有()人或()人,这什么意思啊? 求解答……
解答如下:小朋友排成一队,从前面数小力排在第10个,从后面数小云排在第8个,小力和小云之间有2个小朋友,这对小朋友有( 20)人或( 14)人。
画个图就容易明白了,有两种情况,所以上面就要求填两种答案了。图中箭头表示数的方向:

5 Tips to Drive Traffic to Your Blog Ideas to Help You Set Up the Home Office of Your Dreams Wix vs Squarespace 2020 – Things You Must Know How to Delete N Nodes After M Nodes of a Linked List? Bruteforce Algorithm to Find the Unique Positive Integer Whose S Clone (Deep Copy) Binary Tree With Random Pointer using Hash Map How to Compute Running Sum of 1d Array using std::partial_sum in How to Renew the Free SSL Certificates (Nginx Server)? Design: How to Solve 503 Error of API when Resources are not ava SteemJs Programming: What Happens on the Steem Blockchain in the
- 评论列表
-
- 添加评论