Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:51Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 8 8 ; 0 9 | = 72
det| 4 6 ; 4 5 | = -4
366K
∑_{k=1}^{n} k = n(n+1)/2
176K
∑_{k=1}^{n} k = n(n+1)/2
263K
det| 7 4 ; 4 8 | = 40
412K