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
312K
∇²ω = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
311K
det| 4 6 ; 0 5 | = 20
264K
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
68K
det| 11 9 ; 5 12 | = 87
39K
10r² + 7r + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃