ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:25Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
302K
∫₀^∞ e^(-r²) dr = √π / 2
12γ² + 2γ + 2 = 0
E = mc²
λ = h/p
\binom{n}{k} = \frac{n!}{k!(n-k)!}
68K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{3}{8} \sum_{i=1}^{n} i^{2}