Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:13Z
9y² + 1y + 4 = 0
det| 9 4 ; 1 10 | = 86
40K
∑_{k=1}^{n} k = n(n+1)/2
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 3 3 ; 4 4 | = 0
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
\lim_{α\to 0} \frac{\sin α}{α} = 1
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 6 ; 0 5 | = 20
247K