các số đó là:
1342, 1324, 3142, 3124, 1234, 1432, 3142, 3214
vậy ta có 8 số
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
SO CAC CHU SO CHAN CO CAC CHU SO KHAC NHAU LAP TU CAC SO 1,2,3,4
so cac so chan co cac chu so khac nhau lap tu cac chu so 1;2;3;4
so cac so chan co cac chu so khac nhau lap tu cac chu so 1;2;3;4 la
so cac so chan co cac chu so khac nhau lap tu cac chu so 1;2;3;4 la
Tong cua cac so chan co 3 chu so khac nhau duoc tao thanh tu cac chu so 1,2,3,4 la ?
so cac so chan khac nhau lap tu cac chu so 1;2;3;4
so cac so chan khac nhau lap tu cac chu so 1;2;3;4
tu ba so doi 1 khac nhau va khac 0 ta lap dc tat ca cac so co 3 Chu so doi 1 khac nhau . Biet rang tong cac so lap dc la 2886 , hieu giua so lon nhat va so be nhat trong cac so lap dc la 495 . Cac chu so do la : .....;......;........(viet cac chu so theo gia tri tang dan )
GIUP MIH NHA MIH GAP LAM
cho cac so 2,4,5,7,9 so cac so co hai chu so khac nhau duoc lap ra tu nam chu so tren