ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:52Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 7 6 | = 9
302K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
312K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
125K
det| 7 4 ; 4 8 | = 40
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
2H₂ + O₂ → 2H₂O
det| 5 2 ; 3 6 | = 24
68K
10r² + 7r + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
364K