Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 22:05Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
12β² + 9β + 3 = 0
det| 4 6 ; 4 5 | = -4
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∂z/∂n = 8z
∫₀^∞ e^(-φ²) dφ = √π / 2
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det| 7 9 ; 1 8 | = 47
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det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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