Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 21:14Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 1 ; 4 13 | = 152
75K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 3 ; 7 6 | = 9
276K
\oint_C \vec{F}\cdot d\vec{r} = 0
129K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
191K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
390K
\lim_{α\to 0} \frac{\sin α}{α} = 1
∑_{k=1}^{n} k = n(n+1)/2
153K