ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:06Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
302K
∫₀^∞ e^(-z²) dz = √π / 2
312K
∇²ω = 0
det| 7 4 ; 4 8 | = 40
125K
∑_{k=1}^{n} k = n(n+1)/2
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
17K
det| 12 1 ; 5 13 | = 151
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{4}{6} \sum_{i=1}^{n} i^{2}
68K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
364K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
6K