Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:31Z
det| 12 9 ; 4 13 | = 120
det| 3 7 ; 2 4 | = -2
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∑_{k=1}^{n} k = n(n+1)/2
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∂α/∂n = 1α
det| 7 9 ; 3 8 | = 29
det| 10 7 ; 3 11 | = 89
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det| 9 4 ; 1 10 | = 86
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O