Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 05:43Z
det| 3 3 ; 5 4 | = -3
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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∇²β = 0
∑_{k=1}^{n} k = n(n+1)/2
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e^{i\pi} + 1 = 0
det| 5 3 ; 7 6 | = 9
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∑_{k=1}^{n} k = n(n+1)/2
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det| 7 4 ; 4 8 | = 40
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