Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:11Z
det| 11 8 ; 0 12 | = 132
det| 7 4 ; 4 8 | = 40
244K
N₂ + 3H₂ ⇌ 2NH₃
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
100K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
50K
CH₄ + 2O₂ → CO₂ + 2H₂O
2H₂ + O₂ → 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
262K
∫₀^∞ e^(-n²) dn = √π / 2
196K
det| 1 2 ; 7 2 | = -12
218K
∑_{k=1}^{n} k = n(n+1)/2
299K