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
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∂α/∂n = 1α
\lim_{α\to 0} \frac{\sin α}{α} = 1
155K
det| 7 9 ; 3 8 | = 29
det| 7 4 ; 4 8 | = 40
366K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 5 3 ; 7 6 | = 9
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\frac{12}{6} \sum_{i=1}^{n} i^{2}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 2 ; 1 8 | = 54
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1