Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 20:27Z
det| 1 9 ; 3 2 | = -25
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 10 7 ; 3 11 | = 89
102K
det| 11 4 ; 0 12 | = 132
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
264K
∫₀^∞ e^(-r²) dr = √π / 2
\frac{2}{2} \sum_{i=1}^{n} i^{2}
257K
\oint_C \vec{F}\cdot d\vec{r} = 0
250K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
62K