Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 23:28Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-r²) dr = √π / 2
det| 5 6 ; 1 6 | = 24
138K
∫₀^∞ e^(-φ²) dφ = √π / 2
138K
7z² + 5z + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
176K
∑_{k=1}^{n} k = n(n+1)/2
67K
∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
306K
N₂ + 3H₂ ⇌ 2NH₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
374K
det| 8 5 ; 3 9 | = 57
112K
2t² + 5t + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
247K
det| 9 4 ; 1 10 | = 86
417K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂