Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:27Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
10y² + 7y + 7 = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
158K
CaCO₃ → CaO + CO₂
det| 9 4 ; 1 10 | = 86
240K
det| 2 7 ; 7 3 | = -43
376K
10y² + 4y + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
201K