Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:29Z
2H₂ + O₂ → 2H₂O
det| 10 5 ; 4 11 | = 90
52K
det| 8 8 ; 7 9 | = 16
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{2}{2} \sum_{i=1}^{n} i^{2}
100K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{α\to 0} \frac{\sin α}{α} = 1
197K
det| 10 3 ; 0 11 | = 110
\frac{12}{7} \sum_{i=1}^{n} i^{2}
262K
∑_{k=1}^{n} k = n(n+1)/2
196K
∫₀^∞ e^(-θ²) dθ = √π / 2
299K