ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:07Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
det| 7 4 ; 4 8 | = 40
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 3 ; 5 3 | = -9
310K
det| 5 3 ; 2 6 | = 24
311K
det| 5 9 ; 7 6 | = -33
39K
∑_{k=1}^{n} k = n(n+1)/2
364K