Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 20:51Z
det| 1 9 ; 3 2 | = -25
\lim_{x\to 0} \frac{\sin x}{x} = 1
479K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
det| 11 4 ; 0 12 | = 132
det| 2 7 ; 7 3 | = -43
264K
∫₀^∞ e^(-φ²) dφ = √π / 2
276K
∫₀^∞ e^(-r²) dr = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
257K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 4 ; 1 10 | = 86
62K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
256K