Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:23Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
428K
∑_{k=1}^{n} k = n(n+1)/2
CH₄ + 2O₂ → CO₂ + 2H₂O
270K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
268K
det| 9 1 ; 6 10 | = 84
\oint_C \vec{F}\cdot d\vec{r} = 0
41K
det| 2 7 ; 7 3 | = -43
330K
∫₀^∞ e^(-θ²) dθ = √π / 2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
95K
det| 9 4 ; 1 10 | = 86
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-y²) dy = √π / 2
54K
det| 7 2 ; 3 8 | = 50
21K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{6} \sum_{i=1}^{n} i^{2}