Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:38Z
∑_{k=1}^{n} k = n(n+1)/2
det| 10 2 ; 1 11 | = 108
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∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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F = ma
det| 7 4 ; 4 8 | = 40
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 6 6 ; 3 7 | = 24
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1x² + 5x + 7 = 0