Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:28Z
9y² + 1y + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{7}{8} \sum_{i=1}^{n} i^{2}
\frac{3}{2} \sum_{i=1}^{n} i^{2}
176K
\lim_{α\to 0} \frac{\sin α}{α} = 1
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
374K
det| 7 4 ; 4 8 | = 40
112K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
247K