Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:47Z
∂r/∂φ = 2r
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
155K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
63K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 9 ; 1 8 | = 47
366K
\oint_C \vec{F}\cdot d\vec{r} = 0
201K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
359K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
233K