Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:35Z
det| 12 9 ; 4 13 | = 120
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∂α/∂n = 1α
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 7 9 ; 3 8 | = 29
det| 7 4 ; 4 8 | = 40
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{β\to 0} \frac{\sin β}{β} = 1
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∫₀^∞ e^(-t²) dt = √π / 2
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