Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 18:59Z
6r² + 7r + 2 = 0
F = ma
det| 1 4 ; 0 2 | = 2
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det| 3 7 ; 1 4 | = 5
det| 9 4 ; 1 10 | = 86
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∑_{k=1}^{n} k = n(n+1)/2
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det| 5 3 ; 7 6 | = 9
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det| 5 2 ; 3 6 | = 24
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