ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dz [z^11] = 11z^10
302K
det| 9 4 ; 1 10 | = 86
312K
∇²ω = 0
det| 3 7 ; 2 4 | = -2
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
17K
det| 9 5 ; 1 10 | = 85
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
311K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
264K
∑_{k=1}^{n} k = n(n+1)/2
6K