2017年专升本分数线:填空题(jianxianmian )

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/09 09:05:24
There is a line of five lattices. Please use three colour -red, greenand black to dye them. Each lattice uses one colour. there are ( )was to dye them without two adjoint lattices both being green.
括号里的不是题目,给出答案后,请解释英文意思。答案正确的话,必有重谢!

11 ways

RGBRG
RGBGR
??>>>>

MANY WAYS