Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:28Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
36K
∑_{k=1}^{n} k = n(n+1)/2
269K
10y² + 7y + 7 = 0
det| 12 9 ; 5 13 | = 111
131K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
158K
CaCO₃ → CaO + CO₂
det| 9 4 ; 1 10 | = 86
376K
10y² + 4y + 6 = 0
∫₀^∞ e^(-α²) dα = √π / 2
139K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
λ = h/p
det| 7 8 ; 2 8 | = 40
\frac{1}{6} \sum_{i=1}^{n} i^{2}