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
∑_{k=1}^{n} k = n(n+1)/2
248K
11n² + 7n + 7 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
170K
det| 1 2 ; 7 2 | = -12
299K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 5 7 ; 2 6 | = 16
244K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
100K
\binom{n}{k} = \frac{n!}{k!(n-k)!}