ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
302K
∇²ω = 0
det| 5 3 ; 7 6 | = 9
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-ψ²) dψ = √π / 2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
2H₂ + O₂ → 2H₂O
det| 12 9 ; 5 13 | = 111
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10r² + 7r + 5 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
364K