Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 02:43Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 5 6 ; 4 6 | = 6
406K
det| 7 4 ; 4 8 | = 40
429K
det| 8 5 ; 5 9 | = 47
∑_{k=1}^{n} k = n(n+1)/2
231K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
412K