Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:44Z
det| 11 8 ; 0 12 | = 132
\frac{12}{6} \sum_{i=1}^{n} i^{2}
244K
det| 9 7 ; 3 10 | = 69
52K
N₂ + 3H₂ ⇌ 2NH₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
100K
∑_{k=1}^{n} k = n(n+1)/2
50K
\oint_C \vec{F}\cdot d\vec{r} = 0
262K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
196K
∫₀^∞ e^(-α²) dα = √π / 2
218K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
299K