Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:51Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
326K
∑_{k=1}^{n} k = n(n+1)/2
198K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
155K
det| 8 8 ; 0 9 | = 72
∑_{k=1}^{n} k = n(n+1)/2
201K
det| 7 4 ; 4 8 | = 40
176K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
263K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
233K