Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 01:30Z
det| 4 9 ; 0 5 | = 20
\binom{n}{k} = \frac{n!}{k!(n-k)!}
445K
det| 7 4 ; 4 8 | = 40
193K
2H₂ + O₂ → 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
235K
\lim_{α\to 0} \frac{\sin α}{α} = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
179K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
442K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
42K
det| 2 4 ; 4 3 | = -10
41K