ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
302K
∇²ω = 0
det| 7 7 ; 4 8 | = 28
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 3 ; 5 3 | = -9
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{8}{6} \sum_{i=1}^{n} i^{2}
311K
2H₂ + O₂ → 2H₂O