Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:05Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-x²) dx = √π / 2
269K
10y² + 7y + 7 = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1
158K
CaCO₃ → CaO + CO₂
det| 5 9 ; 7 6 | = -33
240K
∫₀^∞ e^(-φ²) dφ = √π / 2
376K
10y² + 4y + 6 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
139K
det| 7 4 ; 4 8 | = 40
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-φ²) dφ = √π / 2
91K
∑_{k=1}^{n} k = n(n+1)/2
201K