Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:25Z
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
52K
det| 8 8 ; 7 9 | = 16
\frac{12}{6} \sum_{i=1}^{n} i^{2}
90K
CH₄ + 2O₂ → CO₂ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
100K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
det| 10 3 ; 0 11 | = 110
∫₀^∞ e^(-x²) dx = √π / 2
218K
∑_{k=1}^{n} k = n(n+1)/2
299K