ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:08Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 5 ; 6 10 | = 60
302K
∇²ω = 0
det| 7 4 ; 4 8 | = 40
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{6}{3} \sum_{i=1}^{n} i^{2}
17K
det| 1 2 ; 7 2 | = -12
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
311K
2H₂ + O₂ → 2H₂O
det| 9 1 ; 7 10 | = 83
68K