Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:22Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 4 6 ; 4 5 | = -4
102K
det| 1 4 ; 2 2 | = -6
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
276K
det| 2 7 ; 7 3 | = -43
46K