tong cua 2 so la so lon nhat co 3 chu so.so hang thu nhat la so nho nhat co 3 chu so khac nhau.tim so hang thu hai

Tong cua 2 so la so be nhat co ba chu so,so hang thu nhat la 57.Vay so hang thu hai la?

tong cua hai so bang 1332 so hang thu nhat co hai chu so tan cung la 84 neu doi cho hai chu so cua so hang thu nhat thi duoc so hang thu hai tim so thu hai

Tong cua 4 so tu nhien la so lon nhat co hai chu so .Neu xoa di chu so o hang don vi cua so thu nhat thi duoc so thu hai .So thu ba = hieu cua so thu nhat va so thu hai .So thu nhat la tich cua so be nhat co ba chu so va so co bon chu so .Tim so thu tu .
 

tong hai so bang 45, so hang thu nhat la so lien sau so be nhat co hai chu so. tim so hang thu hai

Tong cua 2 so la so lon nhat co hai chu so. So hang thu nhat la so chan lon nhat co 1 chu so. Tim so hang kia

tong cua 2 so bang 1332 so hang thu nhat co 2 chu so tan cung la 84 neu doi cho hai chu so cuoi cung cua so hang thu nhat thi duoc so hang thu 2 .tim so hang thu 2 

Cho mot phet cong cong co so hang thu nhat hon so hang thu hai la 15 don vi .Biet tong cua so hang thu nhat so hang thu hai va tong bang 682. Tim so hang thu hai cua tong 

Tong cua bon so tu nhien la so lon nhat co bay chu so. Neu xoa di chu so hang don vi cua so thu nhat thi duoc so thu hai. So thu ba bang hieu cua so thu nhat va so thu hai. So thu nhat la tich cua so be nhat co ba chu so va so lon nhat co bon chu so. Tim so thu tu.