Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:09Z
9n² + 9n + 6 = 0
det| 4 6 ; 4 5 | = -4
36K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
269K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
158K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
240K
ΔS ≥ 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
139K
∑_{k=1}^{n} k = n(n+1)/2
344K
∂x/∂ω = 9x