Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 16:23Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
36K
5ψ² + 2ψ + 7 = 0
det| 7 4 ; 4 8 | = 40
131K
det| 8 2 ; 7 9 | = 58
158K
∫₀^∞ e^(-y²) dy = √π / 2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
139K
∑_{k=1}^{n} k = n(n+1)/2
344K