Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:23Z
det| 11 8 ; 0 12 | = 132
det| 3 6 ; 0 4 | = 12
52K
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
100K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 7 4 ; 4 8 | = 40
137K
\lim_{α\to 0} \frac{\sin α}{α} = 1
197K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
299K