Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:32Z
det| 12 9 ; 4 13 | = 120
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∂α/∂n = 1α
det| 7 9 ; 3 8 | = 29
∑_{k=1}^{n} k = n(n+1)/2
366K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 2 ; 1 8 | = 54
det| 12 1 ; 4 13 | = 152
233K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1