ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:01Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
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∇²ω = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 7 6 | = 9
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\lim_{x\to 0} \frac{\sin x}{x} = 1
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det| 9 4 ; 1 10 | = 86
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det| 11 9 ; 5 12 | = 87
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