ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
312K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
311K
2H₂ + O₂ → 2H₂O
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
39K
10r² + 7r + 5 = 0
e^{i\pi} + 1 = 0