Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 19:18Z
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 9 ; 7 6 | = -33
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\oint_C \vec{F}\cdot d\vec{r} = 0
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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6x² + 5x + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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ω = 2πf
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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det| 9 4 ; 1 10 | = 86
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9ω² + 6ω + 5 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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F = G m₁m₂ / r²