tim so be nhat co bon chu so sao cho khi chia so do cho 175 thi co so du la so du lon nhat co the trong phep chia nay

tim so lon nhat co 5 chu so sao cho so do chia cho 9 thi duoc so du lon nhat tim so do

tim so lon nhat co 3 chu so sao cho khi chia so do cho 67 thi du 37

tim so nho nhat co 4 chu so sao cho khi dem so do chia cho 175 thi duoc so du lon nhat [ giai 2 cach]

tim hai so co tong la so nho nhat co 4chu so sao cho khi chia so nay cho 1994 thi cho so du la so du lon nhat con hieu cua chung thi bang giua so lon nhat co bon chu so voi so lon nhất co hai chu so

tim so be nhat co bôn chư sô,sao cho khi chia sô đo cho 195 thi co so dư lon nhat trong phep chia nay

a} trong mot phep chia co du, so chia la 38, thuong la 57 va so du la so du lon nhat co the co trong phep chia nay. tim so bi chia.

b} tim mot chu so sao cho khi viet chu so do vao ben phai so 2009 thi duoc so co nam chu so chia het cho 16.

tim hai so biet tong cua chung bang so nho nhat co 4 cs sao cho khi dem so nay chia cho 666 thi dc so du la so du lon nhat con hieu cua chung bang so lon nhat co 3 cs

tim so lon nhat co 3 chu so biet rang khi chia so do cho 234 thi co so du la 39