Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:22Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
428K
∑_{k=1}^{n} k = n(n+1)/2
det| 11 9 ; 0 12 | = 132
268K
det| 9 1 ; 6 10 | = 84
det| 11 5 ; 0 12 | = 132
41K
\oint_C \vec{F}\cdot d\vec{r} = 0
330K
∫₀^∞ e^(-θ²) dθ = √π / 2
det| 9 4 ; 1 10 | = 86
95K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 11 2 ; 5 12 | = 122
7K
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}