Các câu hỏi tương tự
tim so be nhat co hai chu so ma tong hai chu so cua so do bang 13
tim hai so co tong cua chung gap 9 lan hieu chung va hieu kem so be 159
tim hieu cua so lon nhat co 3 chu so co tong cac chu so la 17 va so be nhat co 3 chu so co tong cac chu so bang 17
a)Tim hai so tu nhien biet tong cua chung bang 2009 va biet giua chung co tat ca 20 so tu nhien khac
b)Tim hai so tu nhien biet tong cua chung bang 828 va biet giua chung co tat ca 15 so tu nhien khac
c)Tim hai so tu nhien biet tong cua chung bang 636 va biet giua chung co tat ca 11 so tu nhien khac
Tim mot so neu lay so do tru di so lon nhat co bon chu so va co tong cac chu so bang 30 thi duoc so be nhat co 5 chu so
tim cac so co hai chu so,biet rang moi chu so co tich hai chu so bang 18 va tong hai chu so bang 9
tim hieu cua so lon nhat co bon chu so va so be nhat co bon chu do ,biet rang tong cac chu so cua moi so do bang 15.
tim so tu nhien co 4 chu so khac nhau lon hon 3142 ma co tong cac chu so bang 6 va chu so hang chuc be hon chu so hang don vi
hai so co tong 22, hieu 6.tim so lơn