4;3;2;
Co ... so 3
4;3;2
Co ... so 2
a) So lon nhat co 1 chu so la ....
b) Co .... so co 1 chu so .
c) So be nhat co 2 chu so la ...
d) So lon nhat co 2 chu so la ....
lan co so keo la so lon nhat co 1cso my co so keo la so tron chuc hoi 2 ban co bao nhieu cai keo
hieu cua so nho nhat co 2 chu so va so co 1 chu so la ?
so lon nhat co 1 chu so cong so lien sau so be nhat co 1 chu so
co bao nhiiei so co 1chu so
Co bao nhieu so co 5 chu so
co bao nhieu so co 2 chu so