Ta có: 250 = 2 . 53
360 = 23 . 32 . 5
260 = 22 . 5 . 13
=> BCNN( 250, 360, 260 ) = 23 . 32 . 53 . 13 = 117000
Ta có: 250 = 2 . 53
360 = 23 . 32 . 5
260 = 22 . 5 . 13
=> BCNN( 250, 360, 260 ) = 23 . 32 . 53 . 13 = 117000
tim cac uoc chung va cac uoc chung lon nhat cua cua 60,80
tim uoc chung lon nhat cua 175
Tim uoc chung lon nhat cua [ 80; 20]
tim hai so tu nhien biet tong cua chung bang 84 va uoc chung lon nhat cua chung bang 6
tim 2 so tu nhien biet tong cua chung bang 84 va uoc chung lon nhat cua chung la 12
tim diem khac va giong nhau cua cach tim boi chung nho nhat va uoc chung lon nhat
tim cac cap so tu nhien thoa man :tong cua chung bang 240 va uoc chung lon nhat cua chung bang 12
tim uoc chung lon nhat cua tat ca cac so tu nhien co 6 chu so gom cac chu so tu 1 den 6
tim hai so bt tong cua chung bang 144 va uoc chung lon nhat cua hai so day la 24