Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 14:05Z
∫₀^∞ e^(-ψ²) dψ = √π / 2
e^{i\pi} + 1 = 0
det| 4 6 ; 4 5 | = -4
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2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
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det| 10 9 ; 0 11 | = 110
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∑_{k=1}^{n} k = n(n+1)/2
153K
det| 12 1 ; 4 13 | = 152
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det| 9 4 ; 1 10 | = 86
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