tim so hang tiep theo cua day 2 12 30 56 90
Bai 5:a,Tim chu so thu 1000 khi viet lien tiep lien nhau cac so hang cua day chan 2,4,6,8,......
b,Tim chu so thu 1000 khi viet lien tiep lien nhau cac so hang cua day le 1,3,5,7,9,.....
Tim quy luat va so tiep theo cua day sau 0;2;6;10;24;30;60;...
tim chu so thu 1000 khi viet lien tiep lien nhau cac so hang cua day so le 1 3 5 7
Tim so tiep theo cua day: 1,2,4,7,8,11,13,16,17,19
tim so hang thu 50 cua day so viet theo quy luat sau
a,48,63,80,...
b, 24,63,120,...
tim so hang thu 50 cua day so viet theo quy luat sau
a,48,63,80,...
b, 24,63,120,...
tim so hang thu 50 cua day so viet theo quy luat sau
a,48,63,80,...
b, 24,63,120,...
1. Tim tat ca cac so co 2 chu so sao cho moi so gap 2 lan tich cua no?
2. Tim so nguyen to co 3 chu so biet rang neu viet so do theo thu tu nguoc lai thi ta duc 1 so la lap phuong cua 1 so tu nhien?
3. Tim so tu nhien co 4 chu so biey chu so hang nghin bang chu so hang don vi chu so hang tram bang chu so hang chuc va so do viet duoc duoi dang tich cua 3 so nguyen to lien tiep?