According to the formula representing all "Pythagorean integer groups", x = P2 - Q2, y = 2p, Q, z = P2 + Q2 (where p, q are any positive integers and P > q), x < Z and Y < Z can be known from P2 - Q2 < P2 + Q2 2pq < P2 + Q2<br>When n > 2, xn + yn = Zn can also be expressed by Pythagorean equation:
正在翻译中..