Jump to content
You currently have javascript disabled. Several functions may not work. Please re-enable javascript to access full functionality.
Binh nhất
Cho hai số nguyên dương a, b sao cho 0<a2+b2-2017ab<2017. CMR:
a2+b2-2017ab là số chính phương.
0 members, 1 guests, 0 anonymous users