Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:11Z
9n² + 9n + 6 = 0
det| 8 2 ; 7 9 | = 58
269K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
240K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
376K
ΔS ≥ 0
\frac{11}{6} \sum_{i=1}^{n} i^{2}
139K
det| 4 6 ; 4 5 | = -4
344K
∂x/∂ω = 9x
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
4t² + 8t + 6 = 0
det| 11 8 ; 5 12 | = 92
Fe₂O₃ + 3CO → 2Fe + 3CO₂
d/dn [n^10] = 10n^9