so thap phan be nhat co cac chu so khac nhau ma tich cac chu so cua no la 90 ?
so thap phan be nhat co cac chu so khac nhau ma tich cac chu so cua so do bang 90 la so
tim so thap phan be nhat co cac chu so khac nhau co tich cac chu so la 90
so tu thap phan be nhat co cac chu so khac nhau ma tich cac chu so cua so do bang 64 la so ...
tim so thap phan nho nhat co cac chu so khac nhau ma tich cac chu so la 40
So thap phan be nhat co cac chu so khac nhau ma tich cac chu so cua so do bang 64
so thap phan nho nhat co cac chu so khac nhau ma tich la 20
so thap phan be nhat co cac chu so khac nhau ma tong cac chu so cua no bang 14 la
tim so thap phan be nhat co cac chu so khac nhau tich bang 90
