ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:52Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
312K
∇²ω = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 4 ; 1 11 | = 106
17K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
311K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
264K
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
68K
10r² + 7r + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
6K
AgNO₃ + NaCl → AgCl↓ + NaNO₃