ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 23:23Z
det| 6 7 ; 2 7 | = 28
det| 1 1 ; 5 2 | = -3
302K
∑_{k=1}^{n} k = n(n+1)/2
312K
d/dz [z^9] = 9z^8
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
310K
CaCO₃ → CaO + CO₂
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂