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设s='I AM A STUDENT',t='GOOD',q

[问答题]
设s='I AM A STUDENT',t='GOOD',q='WORKER'。
求:StrLength(s),StrLength(t),StrString(s,8,7),StrString(t,2,1),
Index(s,'A'),Index(s,t),Replace(s,'STUDENT',q),
Concat(SubString(s,6,2),Concat(t,SubString(s,7,8))).
推荐
14,4,'STUDENT','O',3,0,'I AM A WORKER','A GOOD STUDENT'
发表于 2018-05-06 21:10:43 回复(1)