Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:13Z
9y² + 1y + 4 = 0
∫₀^∞ e^(-x²) dx = √π / 2
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
306K
det| 10 7 ; 3 11 | = 89
322K