ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:52Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
312K
∇²ω = 0
det| 11 2 ; 5 12 | = 122
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
2H₂ + O₂ → 2H₂O
det| 9 8 ; 3 10 | = 66
68K