tim so co 5 chu so co chu so hang chuc nghin gap 6 lan chu so hang tram va tang cac chu so cua so do bang 7

Tim mot so chan co nam chu so khac nhau biet rang chu so hang chuc nghin gap ba lan chu so hang don vi chu so hang nghin gap 5 lan chu so hang chuc va chu so hang tram gap 4 lan chu so hang chuc .

Tim so co 5 chu so tong cua 5 chu so do bang 8  . chu so hang chuc nghin lon hon 5 va gap 3 lan chu so hag chuc

1.tim 2 so tu nhien co hieu bang 2002 va tich bang 2006.

2.cho 100 so tu nhien 1,2,3,4,....100.

co the chon duoc 71 so tu nhien sao cho tong cua chung bang tong cua 29 so con lai khong

3.mot so chan co 4 chu so , trong do so tao boi chu so hang tram va hang chuc gap 3 lan chu so hang nghin va gap 2 lan chu so hang don vi .

[CAC BAN GHI LOI GIAI GIUP MINH NHE MINH CAM ON]

Bai 1:Cho so tu nhien A co 4 chu so. Co chu so hang don vi gap 3 lan chu so hang tram chu so hang chuc gap 8 lan chu so hang nghin. Biet A chia het cho 9.Tim A

Bai 2: Tim tat ca cac so dang 6x14y. Biet rang so do chia het cho 3,4 va 5

Tim so le co bon chu so,biet chu so hang chuc gap 3 lan chu so hang don vi,chu so hang tram gap 2 lan chu so hang chuc va chu so hang nghin gap 4 lan chu so hang don vi

Tim so le co bon chu so,biet chu so hang chuc gap 3 lan chu so hang don vi,chu so hang tram gap 2 lan chu so hang chuc va chu so hang nghin gap 4 lan chu so hang don vi.

tim tat ca cac so co 4 chu so trong do chu so hang tram va chu so hang chuc theo thu tu lap thanh mot so gap 3 lan chu so hang nghin va gap 2 lan chu so hang don vi

cac ban nho neu ca cach lam nha! cam on!

tim mot so chan co nam chu so khac nhau ,biet rang chu so hang chuc nghin gap 3 lan chu so hang don vi,chu so hang nghin gap 5 lan chu so hang chucva chu so hang tram gap 4 lan chu so hang chuc