ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 23:44Z
det| 6 7 ; 2 7 | = 28
d/dz [z^9] = 9z^8
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
17K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-x²) dx = √π / 2
68K
∑_{k=1}^{n} k = n(n+1)/2
39K
∑_{k=1}^{n} k = n(n+1)/2
364K