ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²ω = 0
∑_{k=1}^{n} k = n(n+1)/2
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 4 ; 4 7 | = 26
17K
det| 3 7 ; 2 4 | = -2
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 4 6 ; 0 5 | = 20
311K
2H₂ + O₂ → 2H₂O
det| 1 8 ; 4 2 | = -30
68K
det| 9 8 ; 3 10 | = 66
6K