Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:21Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\frac{2}{2} \sum_{i=1}^{n} i^{2}
428K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
238K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 7 ; 3 10 | = 69
270K
det| 9 1 ; 6 10 | = 84
∑_{k=1}^{n} k = n(n+1)/2
330K
∫₀^∞ e^(-θ²) dθ = √π / 2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
7K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
54K
∑_{k=1}^{n} k = n(n+1)/2
21K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{6} \sum_{i=1}^{n} i^{2}