T
trantungthien


cho mot so tu nhien co hai cu so sao cho :
tong hai chu so cua so do ko lon hon7
binh phuong tong cac chu so ko lon hon 30
hai lan so pha tim ko lon hon so do
tim so da cho
cac tai nang cuu em voi:khi (106):
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tong hai chu so cua so do ko lon hon7
binh phuong tong cac chu so ko lon hon 30
hai lan so pha tim ko lon hon so do
tim so da cho
cac tai nang cuu em voi:khi (106):