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
218K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 9 ; 1 8 | = 47
157K
11n² + 7n + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
170K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 1 1 ; 5 2 | = -3
244K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
105K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 7 4 ; 4 8 | = 40
138K
\binom{n}{k} = \frac{n!}{k!(n-k)!}