ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:11Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
∑_{k=1}^{n} k = n(n+1)/2
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
17K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
311K
2H₂ + O₂ → 2H₂O
10r² + 7r + 5 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
364K