ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:08Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
det| 5 6 ; 4 6 | = 6
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 4 ; 1 11 | = 106
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
6K