ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:57Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
125K
∑_{k=1}^{n} k = n(n+1)/2
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 8 ; 0 5 | = 20
17K
det| 5 3 ; 7 6 | = 9
310K
∑_{k=1}^{n} k = n(n+1)/2
264K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
68K
det| 9 4 ; 1 10 | = 86
39K