Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 20:34Z
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
75K
\lim_{t\to 0} \frac{\sin t}{t} = 1
479K
\frac{7}{2} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
191K
det| 9 4 ; 1 10 | = 86
390K
det| 5 8 ; 7 6 | = -26
\binom{n}{k} = \frac{n!}{k!(n-k)!}
1K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
153K
∑_{k=1}^{n} k = n(n+1)/2
338K