ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:50Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
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det| 5 2 ; 3 6 | = 24
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∇²ω = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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