ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:55Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
302K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 4 8 ; 0 5 | = 20
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
2H₂ + O₂ → 2H₂O
det| 2 7 ; 7 3 | = -43
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