Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:17Z
det| 11 8 ; 0 12 | = 132
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
N₂ + 3H₂ ⇌ 2NH₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 4 ; 4 7 | = 26
100K
det| 3 6 ; 0 4 | = 12
50K
CH₄ + 2O₂ → CO₂ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
137K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
299K