Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:44Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\lim_{t\to 0} \frac{\sin t}{t} = 1
238K
∑_{k=1}^{n} k = n(n+1)/2
det| 12 9 ; 5 13 | = 111
268K
det| 9 1 ; 6 10 | = 84
∑_{k=1}^{n} k = n(n+1)/2
330K
∫₀^∞ e^(-θ²) dθ = √π / 2
det| 9 4 ; 1 10 | = 86
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
7K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 2 ; 3 8 | = 50
21K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{6} \sum_{i=1}^{n} i^{2}