Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 00:31Z
ω = 2πf
∫₀^∞ e^(-t²) dt = √π / 2
75K
∑_{k=1}^{n} k = n(n+1)/2
479K
7x² + 6x + 1 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 7 4 ; 4 8 | = 40
191K
det| 11 9 ; 5 12 | = 87
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∑_{k=1}^{n} k = n(n+1)/2
188K