ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:52Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/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)!}
∫₀^∞ e^(-β²) dβ = √π / 2
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det| 9 1 ; 7 10 | = 83
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det| 7 4 ; 4 8 | = 40
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