ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:03Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
312K
∇²ω = 0
det| 9 5 ; 1 10 | = 85
125K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
17K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
311K
det| 1 1 ; 5 2 | = -3
264K
∑_{k=1}^{n} k = n(n+1)/2
68K