Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:24Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
10y² + 7y + 7 = 0
CaCO₃ → CaO + CO₂
det| 4 4 ; 5 5 | = 0
376K
det| 4 6 ; 0 5 | = 20
139K
det| 9 4 ; 1 10 | = 86
344K
∫₀^∞ e^(-t²) dt = √π / 2
201K
∑_{k=1}^{n} k = n(n+1)/2
295K