95
minh dung day
khong tin thi tin
nho k day nho chua cau be
95
minh dung day
khong tin thi tin
nho k day nho chua cau be
Tim so tiep theo cua day so : 1, 1, 2, 6, 24,......,
Tim so tiep theo cua day so 1, 2, 3, 6, 11, .....,
hay dien tiep vao o trong so thu tam trong day sau la 3,6,15,42,123
Neu quy luat va dien tiep 2 so hang vao day so sau:
5,6,8,10,...,....
1,1,3,5,17,....,....
cho hai day so :
1 , 4, 7 , 10 , 13 , ....
1/2 , 2/3 , 3/5 , 5/8 , 8/13 ,.....
a, hay neu quy luat va viet hai so hang tiep theo cua moi day so tren .
b, so 2005 co phai la so hang cua day so 1,4,7,10,13 ... khong ? vi sao ?
viet tiep 2 so hang cua day so sau
a 100,93,85,76,....
viet tiep 3 so hang cua day so sau :
a,1;2;3;5;8;...;...;...;
b,0;2;4;6;12;22;...;...;...;
c,2;7;13;20;...;...;...;
so nao tiep theo trong day so sau:8,10,16,34
so trung binh cong cua 14 so chan lien tiep la 113 em hay viet lai day du day so tren