ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:11Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
125K
det| 3 6 ; 0 4 | = 12
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K
det| 9 5 ; 1 10 | = 85
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
311K
det| 7 4 ; 4 8 | = 40
68K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
364K
∑_{k=1}^{n} k = n(n+1)/2
6K