Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 05:29Z
∂r/∂ψ = 3r
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∂ψ/∂φ = 4ψ
Fe₂O₃ + 3CO → 2Fe + 3CO₂
212K
\oint_C \vec{F}\cdot d\vec{r} = 0
362K
det| 10 3 ; 5 11 | = 95
∑_{k=1}^{n} k = n(n+1)/2
405K
\frac{1}{8} \sum_{i=1}^{n} i^{2}
\frac{12}{7} \sum_{i=1}^{n} i^{2}
442K