ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:07Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
312K
∇²ω = 0
det| 7 8 ; 4 8 | = 24
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
311K
2H₂ + O₂ → 2H₂O
\frac{1}{7} \sum_{i=1}^{n} i^{2}
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
39K