ƯCLN (360, 420, 120) = 60
ƯC (150, 250, 100} = {1, 5, 10, 25; 50}
(sai thì thôi)
1.Ước chung lớn nhất(360,430,120) là:60
2.Ước chung(150,250,100) là:1;2;5;10;25;...
NTTH
ƯC có 2 nx!!!
Tim hai so tu nhien biet tong cua chung bang 180 va uoc chung lon nhat 360
giup to voi no khung qua
tim 2 so tu nhien biet tong uoc chung lon nhat va boi chung nho nhat la 23
tim 2 so tu nhien a va b ,biet boi chung nho nhat cua a va b la 420 ;uoc chung lon nhat cua a va b la 21 ;a+21 =b
tim cac uoc chung va cac uoc chung lon nhat cua cua 60,80
bai 1
tim so tu nhiena lon nhat biet rang 420 chia het a va 700 chia het a
bai 2
tim cac uoc chung lon hon 20 cua 144 va 192
tim diem khac va giong nhau cua cach tim boi chung nho nhat va uoc chung lon nhat
Cach tim uoc chung thong qua boi chung lon nhat
tim uoc chung lon nhat cua 175
tim uoc chung lon nhat cua tat ca cac so tu nhien co 6 chu so gom cac chu so tu 1 den 6
