ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:00Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{y\to 0} \frac{\sin y}{y} = 1
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∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{11}{6} \sum_{i=1}^{n} i^{2}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 8 ; 3 10 | = 66
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2H₂ + O₂ → 2H₂O
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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