Online Course Discussion Forum

返回至:站点

Math Challenge I-C Handout 6

 
 
ZhangPatrick的头像
Math Challenge I-C Handout 6
ZhangPatrick - 2018年04月16日 Monday 18:01
 

I am confused by the wording of question 6.22 part c).

By "at least" does it mean something like AABB, or does it mean something like AAAB? or both? 

 
ReynosoDavid的头像
Re: Math Challenge I-C Handout 6
ReynosoDavid - 2018年04月17日 Tuesday 16:22
 

Both work since both have two (or more) times the letter $A$, so they have at least one pair of repeating letters.

 
显示父帖