tim 2 so thap phan biet hieu 2 so la 16,75 va neu doi dau phay cua so lon sang ben phai 1 hang ma giu nguyen so nho thi hieu la 306,1
tim so thap phan A ,biet khi roi dau phay cua so thap phan A sang ben phai 1 chu so ta duoc so thap phan B ,roi dau phay cua so thap phan A sang trai 1 hang ta duoc so thap phan C .Tong cua 3 so A,B,C la 223,887
2 so thap phan co hieu la 13 .21 neu doi doi dau phay cua so be sang phai 1 hang roi cong voi so lon ta duoc 41.15 tim 2 so do
cho hai so thap phan co hieu la 56,7.tim hai so do,biet rang neu chuyen dau phay cuaso lon sang ben trai mot hang ta duoc so nho.
Hai so thap phan co hieu la 5,37 Neu roi dau phay cua so lon sang trai 1 hang roi cong voi so be ta duoc 11,955 Tim 2 so
hai so thap phan co hieu 9,12.neu doi dau phay cua so be sang phai mot hang roi cong voi so lon ta duoc 61.04.tim 2 so do
Tim mot so thap phan ,biet neu chuyen dau phay sang phai 1 hang roi sang trai 2 hang thi duoc 3 so co tong la 247,725
tim 3 so thap phan A,B va C co tong la 200,4921.Neu chuyen dau phay cua so A sang ben trai 2 chu so thi duoc so B, neu chuyen dau phay cua so A sang ben phai mot hang thi duoc so C.
Hieu 2 so thap phan la24,57 neu chuyen dau phay cua so be sang ben phai mot hang ta duoc so lon tim hai so do