一道无法理解的英文AMC数学题，寻求翻译How many sequences of zeros and ones of length 20 have all the zeros consecutive, or all the ones consecutive, or both？请不要用谷歌翻译之类的翻译软件，谢谢
2019-03-31
一道无法理解的英文AMC数学题，寻求翻译
How many sequences of zeros and ones of length 20 have all the zeros consecutive, or all the ones consecutive, or both？
请不要用谷歌翻译之类的翻译软件，谢谢