Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:17Z
det| 12 9 ; 4 13 | = 120
\binom{n}{k} = \frac{n!}{k!(n-k)!}
198K
∂α/∂n = 1α
\binom{n}{k} = \frac{n!}{k!(n-k)!}
155K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
63K
det| 7 9 ; 3 8 | = 29
det| 5 3 ; 7 6 | = 9
366K
det| 9 4 ; 1 10 | = 86
201K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
176K
∑_{k=1}^{n} k = n(n+1)/2
319K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
359K
det| 5 3 ; 2 6 | = 24
263K
det| 7 2 ; 1 8 | = 54
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
N₂ + 3H₂ ⇌ 2NH₃