TRONG VU TRU CO BAO NHIEU NGUYEN TO ?
cho 4 chu so 0,2,4,6 . Hoi co bao nhieu so co 3 chu soduoc viet tu 3 so tren
b, Trong 1 phep tru tong cua so tru , so bi tru va hieu la 1256.So tru hon hieu la 42 tim so bi tru so tru va hieu
Cho phan so 25/37. Hay tim so a sao cho dem mau so da cho tru di a va giu nguyen tu so thi duoc phan so moi co gia tri la 5/6.
Tra loi nhanh duoc nhieu likeeeeeee...
ke ten co tat cav bao nhieu so nguyen to tu 0 den 1000
giup mk voi
co bao nhieu so thap phan co cac chu so khac nhau viet dc tu cac cs 0 1 2 3 ma co 1 hoac 2 cs phan nguyen
hay cho biet co tat ca bao nhieu so co hai chu so khac nhau ma khi dem so do tru di so co 2 chu so khac nhau viet theo thu tu nguoc lai thi duoc so chia het cho 9
hay cho biet co tat ca bao nhieu so thap phan co cac chu so khac nhau viet duoc tu cac chu so 0;1;2;3ma co 2 chu so o phan nguyen
tu cac chu so 2,4,6,8 viet duoc bao nhieu so thap phan co 4 chu so khac nhau ma chi co 2 chu so o phan nguyen
cho phan so 49/75 tim 1 so sao cho lay tu so tru di so do va giu nguyen tu so thi duoc phan so mopi co gia tri=3/5