ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:01Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 9 ; 5 12 | = 87
312K
∇²ω = 0
det| 9 8 ; 3 10 | = 66
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
311K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
264K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
39K