co bao nhieu so co 3 chu so chia het cho 3 ma chu so hang tram gap 3 lan chu so hang chuc
Co tat ca bao nhieu chu so co 3 chu so .Chia het cho 3 ma chu so hang tram gap 3 lan chu so hang don vi
cac ban nho giai ra nha va kb voi minh z
Co tat ca bao nhieu so co 3chu so chia het cho 3 ma chu so hang tram gap 3 lan chu so hang don vi........................
co tat ca bao nhieu so co 3 chu so chia het cho 3 ma chu so hang tram gap 3 lan chu so hang don vi
Nếu bỏ chữ số hàng chục thì có 31;62;93
Vay co : 321;351;381;612;642;672;903;933;963;993
Vay co 10 so
1 so tu nhien A co 4 chu so co chu so hang don vi lon hon 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.
tim so co ba chu so ma chu so hang chuc gap 3 lan chu so hang tram ,chu so hang don vi gap 3 lan chu so hang chuc
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 mot so tu nhien co 3 chu so ma chu so hang chuc bang 1/3 chu so hang tram va gap 3 lan chu so hang don vi
tim mot so co ba chu so biet rang chu so hang tram gap 2 lan chu so hang chuc,chu so hang chuc gap 3 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