Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:47Z
det| 11 8 ; 0 12 | = 132
det| 8 2 ; 7 9 | = 58
244K
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
100K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
50K
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{8}{6} \sum_{i=1}^{n} i^{2}
137K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
197K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K