Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:12Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
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\oint_C \vec{F}\cdot d\vec{r} = 0
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3β² + 6β + 2 = 0
det| 1 1 ; 5 2 | = -3
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F = ma
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\frac{8}{7} \sum_{i=1}^{n} i^{2}
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
473K