ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:19Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∫₀^∞ e^(-r²) dr = √π / 2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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12γ² + 2γ + 2 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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E = mc²
det| 9 4 ; 1 10 | = 86
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det| 9 1 ; 7 10 | = 83
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