ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:28Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
302K
det| 1 4 ; 3 2 | = -10
312K
∫₀^∞ e^(-r²) dr = √π / 2
det| 9 4 ; 1 10 | = 86
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12γ² + 2γ + 2 = 0
E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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λ = h/p
\frac{3}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}