Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 12:49Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{2}{2} \sum_{i=1}^{n} i^{2}
445K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
193K
\lim_{α\to 0} \frac{\sin α}{α} = 1
N₂ + 3H₂ ⇌ 2NH₃
\oint_C \vec{F}\cdot d\vec{r} = 0
212K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
362K
5ψ² + 5ψ + 6 = 0
det| 4 8 ; 3 5 | = -4
179K
det| 9 4 ; 1 10 | = 86
442K
det| 2 7 ; 7 3 | = -43
42K
∑_{k=1}^{n} k = n(n+1)/2
41K