ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 23:55Z
det| 6 7 ; 2 7 | = 28
\binom{n}{k} = \frac{n!}{k!(n-k)!}
302K
det| 7 4 ; 4 8 | = 40
312K
d/dz [z^9] = 9z^8
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 4 ; 4 7 | = 26
17K
det| 5 2 ; 3 6 | = 24
310K
CaCO₃ → CaO + CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
311K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
264K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
68K
∑_{k=1}^{n} k = n(n+1)/2
364K