Cho so thap phan A.Neu chuyen dau phay cua so do sanh ben phai 1hang thi duoc so thap phan B.Biet hieu giua B va A la 18,27.Tim so thap phan B
Chuyen dau phau cua so thap phan A sang trai 2 hang ta duoc so B.Biet B - A =192,654.Tim so thap phanA
cho so thap phan A.chuyen dau phay cua so A sang phai mot hang ta duoc so B.biet A+B=221.54.tim so A
tim 1 so thap phan,biet nau chuyen dau phay sang ben phai 1 hang ta duoc so A,sang trai 1 hang ta duoc so B.biet A - B = 244,332
tim so thap phan a,b biet: a,b = (a + b )* 0,5
Tim so thap phan a,b = (a + b) nhan 0,5
Tim 2 so thap phan la:A va B.biet neu them vao A 9 don vi va bot o B di 9 don vi thi ta duoc ti so la 13/3.Neu bot o A di 6 don vi va tang them B 6 don vi thi duoc ti so la 7/9.tim 2 so do.
Tim so thap phan a,b biet a,b=(a+b)0,5.Nho ghi cach lam cho to nhe !
Cho so thap phan A chuyen dau phay cua so thap phan A sang ben phai mot hang ta duoc so thap phan B , biet B - A = 222,12 . Tim so thap phan do .