Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:04Z
det| 11 8 ; 0 12 | = 132
N₂ + 3H₂ ⇌ 2NH₃
\frac{12}{7} \sum_{i=1}^{n} i^{2}
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
100K
CH₄ + 2O₂ → CO₂ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
137K
det| 7 4 ; 4 8 | = 40
197K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
262K
∑_{k=1}^{n} k = n(n+1)/2
218K