ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 8 ; 4 8 | = 24
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∫₀^∞ e^(-z²) dz = √π / 2
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∇²ω = 0
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 3 7 ; 2 4 | = -2
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det| 5 6 ; 4 6 | = 6
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\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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