ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:41Z
d/dr [r^8] = 8r^7
det| 1 1 ; 5 2 | = -3
257K
2β² + 4β + 1 = 0
det| 7 4 ; 4 8 | = 40
159K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
270K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{2}{2} \sum_{i=1}^{n} i^{2}
231K
\lim_{α\to 0} \frac{\sin α}{α} = 1
193K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
202K
∑_{k=1}^{n} k = n(n+1)/2
22K
∑_{k=1}^{n} k = n(n+1)/2
479K