ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 23:44Z
det| 6 7 ; 2 7 | = 28
det| 9 4 ; 1 10 | = 86
302K
d/dz [z^9] = 9z^8
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
264K
det| 11 9 ; 0 12 | = 132
68K