Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:10Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
11n² + 7n + 7 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
138K
\binom{n}{k} = \frac{n!}{k!(n-k)!}