Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:21Z
det| 12 9 ; 4 13 | = 120
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∂α/∂n = 1α
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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det| 9 4 ; 1 10 | = 86
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det| 7 9 ; 3 8 | = 29
det| 1 4 ; 0 2 | = 2
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\lim_{α\to 0} \frac{\sin α}{α} = 1
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 8 9 ; 4 9 | = 36
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