ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:50Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-ω²) dω = √π / 2
311K
2H₂ + O₂ → 2H₂O
\lim_{α\to 0} \frac{\sin α}{α} = 1
68K