Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:10Z
det| 2 3 ; 7 3 | = -15
∑_{k=1}^{n} k = n(n+1)/2
369K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
398K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 5 ; 1 10 | = 85
98K
∑_{k=1}^{n} k = n(n+1)/2
396K