Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 05:13Z
\frac{11}{2} \sum_{i=1}^{n} i^{2}
det| 8 6 ; 6 9 | = 36
36K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
158K
4ψ² + 5ψ + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
240K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
344K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
201K
\lim_{α\to 0} \frac{\sin α}{α} = 1
295K
∑_{k=1}^{n} k = n(n+1)/2
399K