Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:10Z
9y² + 1y + 4 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
138K
det| 4 2 ; 3 5 | = 14
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
det| 11 2 ; 5 12 | = 122
176K
∑_{k=1}^{n} k = n(n+1)/2
374K