<span>x² + y² = 2xy
</span><span>x² - 2xy + y² = 0
(x - y)</span><span>² = 0
x = y
</span>Eсли y <span>≠ 0, </span><span>тo x / y = 1</span>
457 : 58 = 7( ост. 51),
406
------
51
272 : 98 = 2 ( ост. 76)
196
-----
76
495 : 46 = 10( ост 35)
46
---
35
385 : 65 = 5 ( ост 60)
325
-----
60
321 : 47 = 6 ( ост 39)
282
-----
39