Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:17Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
det| 7 4 ; 4 8 | = 40
479K
3β² + 6β + 2 = 0
F = ma
\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 10 7 ; 3 11 | = 89
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
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