Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:21Z
det| 12 9 ; 4 13 | = 120
∑_{k=1}^{n} k = n(n+1)/2
326K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
198K
∂α/∂n = 1α
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
155K
det| 7 9 ; 3 8 | = 29
det| 7 4 ; 4 8 | = 40
366K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 6 ; 4 5 | = -4
359K
det| 10 4 ; 1 11 | = 106
263K
det| 7 2 ; 1 8 | = 54
Fe₂O₃ + 3CO → 2Fe + 3CO₂
233K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1