tim so chan co tong la 360 va giua chung co 5 so chan khac
tim hai so chan co tong la 1150,giua chung co 54 so chan khac
Bài 5: Tim hai so chan biet tong cua chung bang 340 va biet giua 2 so chan do con so chan khac ?
tim 2 so chan co tong bang 2012 . biet giua chung co tat ca 15 so chan khac
Tim hai so chan biet tong cua chung la 28 va va giua chung co 3 so chan khac.
tim 2 so chan co tong bang 410 biet giua chung co 18 so chan khac nhau tim 2 do
tim hai so co le co tong la 212 va giua chung co 5 so chan khac
tim 2 so le co tong 210 biet giua chung co 4 so chan khac tim 2 so do
tim 2 so chan co tong bang 2012 biet giua chung co tat ca 13 so chan