ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:51Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
312K
∇²ω = 0
det| 3 1 ; 7 4 | = 5
125K
det| 1 8 ; 4 2 | = -30
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
264K
det| 2 7 ; 7 3 | = -43
68K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
39K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
364K