Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:28Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
190K
∑_{k=1}^{n} k = n(n+1)/2
det| 5 6 ; 4 6 | = 6
157K
11n² + 7n + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
299K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂