Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:12Z
9y² + 1y + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
40K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
138K
det| 9 4 ; 1 10 | = 86
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
322K
det| 10 3 ; 4 11 | = 98
112K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
247K