Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:44Z
\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
\binom{n}{k} = \frac{n!}{k!(n-k)!}
268K
det| 9 1 ; 6 10 | = 84
∫₀^∞ e^(-θ²) dθ = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
95K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
7K
det| 5 3 ; 2 6 | = 24
133K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
54K
det| 9 4 ; 1 10 | = 86
21K