Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:10Z
9y² + 1y + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
40K
det| 7 4 ; 4 8 | = 40
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{7}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
67K
det| 9 9 ; 5 10 | = 45
322K