ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-r²) dr = √π / 2
\frac{1}{7} \sum_{i=1}^{n} i^{2}
125K
12γ² + 2γ + 2 = 0
\frac{8}{6} \sum_{i=1}^{n} i^{2}
17K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
310K
E = mc²
\frac{6}{3} \sum_{i=1}^{n} i^{2}
311K
λ = h/p
Fe₂O₃ + 3CO → 2Fe + 3CO₂
39K
\frac{3}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}