Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 06:16Z
det| 8 1 ; 6 9 | = 66
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 12 9 ; 5 13 | = 111
52K
∑_{k=1}^{n} k = n(n+1)/2
1n² + 9n + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
100K
F = ma
det| 4 8 ; 3 5 | = -4
137K
det| 7 4 ; 4 8 | = 40
197K