Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-22 01:01Z
∇²α = 0
det| 9 4 ; 1 10 | = 86
416K
det| 6 3 ; 6 7 | = 24
det| 4 6 ; 4 5 | = -4
182K
\lim_{t\to 0} \frac{\sin t}{t} = 1
101K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
109K
e^{i\pi} + 1 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
267K
∑_{k=1}^{n} k = n(n+1)/2
319K