Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-21 00:45Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
375K
det| 10 7 ; 5 11 | = 75
det| 5 6 ; 2 6 | = 18
89K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
361K
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 6 ; 0 4 | = 12
296K
\oint_C \vec{F}\cdot d\vec{r} = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O