Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 23:10Z
11t² + 7t + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
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E = mc²
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 9 ; 0 11 | = 110
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det| 5 9 ; 0 6 | = 30
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∑_{k=1}^{n} k = n(n+1)/2
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