Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:27Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-φ²) dφ = √π / 2
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3β² + 6β + 2 = 0
det| 11 5 ; 0 12 | = 132
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det| 7 2 ; 7 8 | = 42
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F = ma
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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det| 12 1 ; 4 13 | = 152
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det| 9 4 ; 1 10 | = 86
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