Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:20Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-x²) dx = √π / 2
269K
10y² + 7y + 7 = 0
det| 7 7 ; 4 8 | = 28
131K
det| 9 4 ; 1 10 | = 86
158K
CaCO₃ → CaO + CO₂
10y² + 4y + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
139K
det| 10 7 ; 3 11 | = 89
344K