0 53784 53792 53798 53802 53808 53810 53814 53820 53822 53828 53834 53838 53840 53844 53850 53852 53858 53862 53864 53868 53870 53874 53876 53878 53879 53880 53882 53883 53884 53886 53888 53892 53894 53898 53900 53904 53910 53912 53918 53922 53924 53928 53934 53940 53942 53948 53952 53954 53960 53964 53970 53978 266669
+
+
≤
+
+
.
+
+…+
≥n.
+
+
≤4
.
+
+
≥
.
)2+(b+
)2+(c+
)2≥
.
+
+
≥9(a+b+c).?