Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 01:10Z
det| 4 9 ; 0 5 | = 20
\binom{n}{k} = \frac{n!}{k!(n-k)!}
445K
∑_{k=1}^{n} k = n(n+1)/2
193K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
322K
\lim_{α\to 0} \frac{\sin α}{α} = 1
\frac{11}{8} \sum_{i=1}^{n} i^{2}
362K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
405K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
442K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
369K