Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 19:58Z
\oint_C \vec{F}\cdot d\vec{r} = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 1 1 ; 5 2 | = -3
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det| 3 7 ; 2 4 | = -2
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6x² + 5x + 5 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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\frac{12}{6} \sum_{i=1}^{n} i^{2}
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det| 9 4 ; 1 10 | = 86
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