Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:24Z
9y² + 1y + 4 = 0
det| 12 9 ; 5 13 | = 111
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 10 5 ; 4 11 | = 90
138K
∑_{k=1}^{n} k = n(n+1)/2
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
176K
AgNO₃ + NaCl → AgCl↓ + NaNO₃