Operator Journal /sym/f43c60
id=1 · host=nl.mattivster.me · 2026-10-20 07:44Z
det| 2 3 ; 7 3 | = -15
∑_{k=1}^{n} k = n(n+1)/2
369K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 4 ; 5 5 | = 0
398K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
264K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
404K
∑_{k=1}^{n} k = n(n+1)/2
271K
d/dn [n^12] = 12n^11
\lim_{t\to 0} \frac{\sin t}{t} = 1
98K
det| 7 4 ; 4 8 | = 40
346K
∑_{k=1}^{n} k = n(n+1)/2
234K