Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 19:55Z
∂r/∂φ = 2r
∑_{k=1}^{n} k = n(n+1)/2
326K
e^{i\pi} + 1 = 0
det| 7 4 ; 4 8 | = 40
155K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 5 9 ; 0 6 | = 30
366K
det| 12 1 ; 4 13 | = 152
176K
∑_{k=1}^{n} k = n(n+1)/2
319K