Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 23:31Z
det| 12 3 ; 2 13 | = 150
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
8K
∂y/∂φ = 5y
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
57K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-n²) dn = √π / 2
det| 9 4 ; 1 10 | = 86
257K
F = G m₁m₂ / r²
\oint_C \vec{F}\cdot d\vec{r} = 0
256K
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
\frac{2}{6} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}