ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:47Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 8 ; 0 5 | = 20
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∇²ω = 0
det| 11 9 ; 0 12 | = 132
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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\frac{6}{3} \sum_{i=1}^{n} i^{2}
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
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∫₀^∞ e^(-ψ²) dψ = √π / 2
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det| 9 1 ; 7 10 | = 83
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
39K