ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-18 23:58Z
d/dr [r^8] = 8r^7
2β² + 4β + 1 = 0
\frac{6}{7} \sum_{i=1}^{n} i^{2}
270K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
442K
det| 11 3 ; 0 12 | = 132
∑_{k=1}^{n} k = n(n+1)/2
231K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
193K
det| 1 4 ; 2 2 | = -6
202K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
22K