ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:40Z
d/dr [r^8] = 8r^7
det| 9 4 ; 1 10 | = 86
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2β² + 4β + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 11 3 ; 0 12 | = 132
\frac{1}{7} \sum_{i=1}^{n} i^{2}
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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