Số 18 nha.
@Cỏ
#Forever
là số 18 nha em
chúc em học tốt
kjkolk;gi n656kllklhiylrigkhmg,đ,mjdsm uimkea9ímakr9úm f9a
so be nhat co 2 chu so ma tong hai chu so do bang 11
Cau 1 co tat ca ..... so co 2 chu so ma hieu 2 chu so cua moi so do bang 6
Cau 2 so lon nhat co 2 chu so ma hieu 2 chu so cua moi so do bang 5 . La :.............
Cau 3 so be nhat co 2 chu so ma tong 2 chu so cua moi so do bang 9 . La : .............
tong cua 2 chu so la so be nhat co 2 chu so ma hieu 2 chu so do bang 7 . so hang thu 2 la 9. tim so hang thu 1
co tat ca bao nhieu so co hai chu so ma tong hai chu so do bang 9
so be nhat co hai chu so ma hieu hai chu so do bang 3. vay so do la bao nhieu
so be nhat co ba chu so khac nhau ma tong ba chu so cua so do bang 8 la
so be nhat co hai chu so ma hieu hai so do bang tam
co tat ca bao nhieu so co hai chu so ma tong hai chu so cua moi so do bang 8?
co tat ca bao nhieu so co hai chu so ma hieu hai chu so cua moi so do bang 6?
so lon nhat co hai chu so ma tong hai chu so bang 13 la so .....
