Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:22Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
10y² + 7y + 7 = 0
\frac{3}{2} \sum_{i=1}^{n} i^{2}
131K
CaCO₃ → CaO + CO₂
det| 9 4 ; 1 10 | = 86
376K
10y² + 4y + 6 = 0
det| 11 9 ; 0 12 | = 132
139K
∑_{k=1}^{n} k = n(n+1)/2
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
91K
λ = h/p
∫₀^∞ e^(-ω²) dω = √π / 2