Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 23:27Z
\oint_C \vec{F}\cdot d\vec{r} = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
297K
∫₀^∞ e^(-r²) dr = √π / 2
∫₀^∞ e^(-y²) dy = √π / 2
138K
det| 9 4 ; 1 10 | = 86
138K
7z² + 5z + 1 = 0
det| 12 9 ; 5 13 | = 111
67K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
322K