Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 07:46Z
ω = 2πf
7r² + 8r + 6 = 0
det| 7 2 ; 7 8 | = 42
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∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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det| 11 9 ; 5 12 | = 87
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det| 5 6 ; 2 6 | = 18
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det| 7 4 ; 4 8 | = 40
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