Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 04:56Z
10φ² + 1φ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
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PV = nRT
∑_{k=1}^{n} k = n(n+1)/2
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10y² + 4y + 6 = 0
det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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det| 11 4 ; 5 12 | = 112
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