ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:55Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
302K
∫₀^∞ e^(-t²) dt = √π / 2
312K
∇²ω = 0
∫₀^∞ e^(-ω²) dω = √π / 2
125K
det| 4 6 ; 0 5 | = 20
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
17K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
264K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
68K
det| 3 6 ; 0 4 | = 12
39K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
364K