Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:11Z
det| 11 8 ; 0 12 | = 132
det| 9 4 ; 1 10 | = 86
244K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
52K
N₂ + 3H₂ ⇌ 2NH₃
\frac{12}{6} \sum_{i=1}^{n} i^{2}
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{12}{7} \sum_{i=1}^{n} i^{2}
100K
\lim_{α\to 0} \frac{\sin α}{α} = 1
50K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 2 7 ; 7 3 | = -43
197K
∑_{k=1}^{n} k = n(n+1)/2
262K