ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:00Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 4 ; 3 2 | = -10
17K
det| 7 4 ; 4 8 | = 40
310K
det| 9 1 ; 7 10 | = 83
264K
∑_{k=1}^{n} k = n(n+1)/2
68K