ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
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\oint_C \vec{F}\cdot d\vec{r} = 0
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∇²ω = 0
det| 1 2 ; 7 2 | = -12
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det| 1 8 ; 4 2 | = -30
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
364K