Tim 2 so thap phan co tong la 21,74.Biet neu doi dau phay so thu nhat sang trai 1 hang , doi dau phay so thu hai sang phai 1 hang thi duoc tong moi la 194,234

Tim 2 so thap phan co tong 3,86. Biet doi dau phay cua so thu nhat sang trai 2 hang thi duoc tong moi la 3,257

tim hai so thap phan co tong la 26,54 biet neu doi dau phay so thu nhat sang phai 2 hang ta duoc so moi va biet hieu cua so moi va so thu hai la 1118.8

Tim 2 so thap phan biet tong la 14 va neu doi dau phay so thu hai sang phai 2 hang thi duoc tong moi la 122,27

tim mot so thap phan a biet neu chuyen dau phay cua no sang trai 2 hang ta duoc so moi kem so phai tim 244,332 don vi

tim mot so thap phan biet , neu chuyen dau phay cua no sang ben trai 2 hang ta duoc so moi kem so ti 122,166 don vi 

tim mot so thap phan biet neu chuyen dau phay cua no sang trai mot hang ta duoc so moi kem so phai tim 111.06 don vi 

tim mot so thap phan biet neu dich dau phay cua no sang trai 2 hang thi so moi kem so phai tim 122,166 don vi. so do la

tong cua hai so thap phan 80,01. Neu dich dau phay cua so thu nhat sang ben trai 1 hang roi cong voi so thu hai thi duoc tong moi la 19,233.Tim hieu cua hai so do. giai ro ra nhe ^.^