Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:45Z
\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
\frac{2}{2} \sum_{i=1}^{n} i^{2}
270K
det| 7 4 ; 4 8 | = 40
268K
det| 9 1 ; 6 10 | = 84
∫₀^∞ e^(-θ²) dθ = √π / 2
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
95K
det| 3 3 ; 4 4 | = 0
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
133K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 12 9 ; 5 13 | = 111
54K
F = G m₁m₂ / r²