0 53471 53479 53485 53489 53495 53497 53501 53507 53509 53515 53521 53525 53527 53531 53537 53539 53545 53549 53551 53555 53557 53561 53563 53565 53566 53567 53569 53570 53571 53573 53575 53579 53581 53585 53587 53591 53597 53599 53605 53609 53611 53615 53621 53627 53629 53635 53639 53641 53647 53651 53657 53665 266669
+
+…+
≥n.
+
+…+
≥x1+x2+…+xn.
+
+
≤4
.
+
+
≥
.
)2+(b+
)2+(c+
)2≥
.
+
+
+
＞
+
+
+
.
+
+
≥9(a+b+c).?