Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 15:57Z
\lim_{y\to 0} \frac{\sin y}{y} = 1
∑_{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
det| 7 4 ; 4 8 | = 40
366K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
201K
λ = h/p
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
319K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
359K
8x² + 1x + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
233K
det| 11 8 ; 3 12 | = 108