\(a\)) \(2,7,22,67,85,98\)
\(b\)) \(1,2,3,6,12,28,39\)
a
số đó là
2,7,22,67,85,98
b
1,2,3,6,12,28,39
A, 2,7,22,67,85,98
B,1,2,3,6,12,18,30,48
Ket qua do ban
3 số viết thêm là :
a) 202 ;607;1822
b) 24;48;96
\(a\)) \(2,7,22,67,85,98\)
\(b\)) \(1,2,3,6,12,28,39\)
a
số đó là
2,7,22,67,85,98
b
1,2,3,6,12,28,39
A, 2,7,22,67,85,98
B,1,2,3,6,12,18,30,48
Ket qua do ban
3 số viết thêm là :
a) 202 ;607;1822
b) 24;48;96
viet tiep 2 so hang vao day so sau :
5,6,8,10,...,...
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 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;...;...;...;
cho day so:36,45,54
a) viet them 3 so hang thich hop vao day so tren
b) so hang thu 20 thuoc day so nao
c) so 3469 co thuoc day so tren khong?vi sao
giai chi tiet giup minh nhe
tim mot so co hai chu so biet neu xen chu so0 vao giua hang chuc va hang don vi thi so do gap len 10 lan neu viet chu so 1 vao ben phai so do thi so moi gap so cu 3 lan
Neu quy luat va dien tiep 2 so hang vao day so sau:
5,6,8,10,...,....
1,1,3,5,17,....,....
tim so tu nhien co hai chu so biet rang neu viet chu so 0 xen giua so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so phai tim neu viet chu so 1 vao ben traiso vua nhan thi so do gap len 3 lan
tim so tu nhien co 2 chu so neu viet them chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim . neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan . so can tim
tim so tu nhien co 2 chu so ,biet rang neu viet them chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim .Neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan.