Hay viet them 3 so hang voa day (co cach giai nhe)
1 ; 2 ;3 ; 4; 8 ; 32 ;...;...;...;
1/2 ; 3/5 ; 8/13 ; 21/34 ; ... ; ... ; ... ;
tim mot so co 3 chu so biet neu viet them chu so 1 vao ben phai so do ta duoc so moi gap 3 lan so co duoc bang cach viet them chu so 2 vao ben tri so do
nho giai het ra cho to nhe
Tim so tu nhien co 3 chu so, biet rang neu viet them 1 chu so 0 vao giua chu so hang tram va hang chuc cua so do thi ta duoc so moi gap 6 lan so do.
Cac ban giai giup minh nhe!!!!!!!!!!!!!!!
Tìm ra quy luật
1/2;3/5;8/13;21/34
tong cua hai so la 12 neu them chu so 3 vao ben phai cua 1 so thi tong moi la 51 tim hai so do (nho ghi cach giai ro rang ra nhe)
cach giai bai viet them vao cho cham de duoc day so: 2;4;12;....;......;1440
Khi them vao so bi tru 2,5 don vi va bot o so tru 3,9 don vi ta duoc hieu moi la 10,2. Tim hieu luc dau cua hai so
Ca bai giai day du minh moi tk nhe !
so thu 2001 trong day sau la so nao ( cho mk xin cach giai nhe)
1/1;2/1;1/2;3/1;2/2;1/3;4/1;3/2;2/3;1/4;5/1;4/2;3/3........
tim mot so co hai chu so biet rang neu viet them chu so 0 xen vao giua chu so hang chuc va hang don vi cua so do ta duoc so moi va neu viet them chu so hai vao ben trai so moi thi ta duoc mot so gap 6 lan so moi do
