能否帮我列出来?
追答abcdefg
abcdefG
abcdeFg
abcdeFG
abcdEfg
abcdEfG
abcdEFg
abcdEFG
abcDefg
abcDefG
abcDeFg
abcDeFG
abcDEfg
abcDEfG
abcDEFg
abcDEFG
abCdefg
abCdefG
abCdeFg
abCdeFG
abCdEfg
abCdEfG
abCdEFg
abCdEFG
abCDefg
abCDefG
abCDeFg
abCDeFG
abCDEfg
abCDEfG
abCDEFg
abCDEFG
aBcdefg
aBcdefG
aBcdeFg
aBcdeFG
aBcdEfg
aBcdEfG
aBcdEFg
aBcdEFG
aBcDefg
aBcDefG
aBcDeFg
aBcDeFG
aBcDEfg
aBcDEfG
aBcDEFg
aBcDEFG
aBCdefg
aBCdefG
aBCdeFg
aBCdeFG
aBCdEfg
aBCdEfG
aBCdEFg
aBCdEFG
aBCDefg
aBCDefG
aBCDeFg
aBCDeFG
aBCDEfg
aBCDEfG
aBCDEFg
aBCDEFG
Abcdefg
AbcdefG
AbcdeFg
AbcdeFG
AbcdEfg
AbcdEfG
AbcdEFg
AbcdEFG
AbcDefg
AbcDefG
AbcDeFg
AbcDeFG
AbcDEfg
AbcDEfG
AbcDEFg
AbcDEFG
AbCdefg
AbCdefG
AbCdeFg
AbCdeFG
AbCdEfg
AbCdEfG
AbCdEFg
AbCdEFG
AbCDefg
AbCDefG
AbCDeFg
AbCDeFG
AbCDEfg
AbCDEfG
AbCDEFg
AbCDEFG
ABcdefg
ABcdefG
ABcdeFg
ABcdeFG
ABcdEfg
ABcdEfG
ABcdEFg
ABcdEFG
ABcDefg
ABcDefG
ABcDeFg
ABcDeFG
ABcDEfg
ABcDEfG
ABcDEFg
ABcDEFG
ABCdefg
ABCdefG
ABCdeFg
ABCdeFG
ABCdEfg
ABCdEfG
ABCdEFg
ABCdEFG
ABCDefg
ABCDefG
ABCDeFg
ABCDeFG
ABCDEfg
ABCDEfG
ABCDEFg
ABCDEFG
我觉得这个题目就是求七个字母大小写的组合数。
abcdefg 的组合,有大写和小写,都哪些组合?
追答C(6)2*P(6)6