Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:23Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
428K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
238K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
270K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
268K
det| 9 1 ; 6 10 | = 84
\binom{n}{k} = \frac{n!}{k!(n-k)!}
330K
∫₀^∞ e^(-θ²) dθ = √π / 2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{12}{6} \sum_{i=1}^{n} i^{2}
7K
CH₄ + 2O₂ → CO₂ + 2H₂O
133K
∑_{k=1}^{n} k = n(n+1)/2
54K