ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:08Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-ω²) dω = √π / 2
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∇²ω = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 2 ; 3 10 | = 84
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
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det| 2 3 ; 5 3 | = -9
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2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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