ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:00Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 2 ; 3 10 | = 84
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det| 11 9 ; 5 12 | = 87
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∇²ω = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
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\frac{6}{7} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 1 ; 5 13 | = 151
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 3 1 ; 7 4 | = 5
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\oint_C \vec{F}\cdot d\vec{r} = 0
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