ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
312K
∫₀^∞ e^(-r²) dr = √π / 2
12γ² + 2γ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
17K
∑_{k=1}^{n} k = n(n+1)/2
311K
det| 9 4 ; 1 10 | = 86
364K