Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 06:04Z
det| 8 1 ; 6 9 | = 66
det| 11 2 ; 5 12 | = 122
52K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
90K
1n² + 9n + 0 = 0
det| 11 9 ; 0 12 | = 132
137K
∑_{k=1}^{n} k = n(n+1)/2
197K