ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:08Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 5 ; 6 10 | = 60
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∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 3 2 | = -10
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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2H₂ + O₂ → 2H₂O
det| 5 9 ; 7 6 | = -33
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