Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:40Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{2}{2} \sum_{i=1}^{n} i^{2}
244K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
52K
det| 12 5 ; 4 13 | = 136
\lim_{t\to 0} \frac{\sin t}{t} = 1
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 9 ; 7 5 | = -43
∫₀^∞ e^(-α²) dα = √π / 2
137K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
197K
det| 1 1 ; 3 2 | = -1
det| 12 9 ; 3 13 | = 129
det| 3 8 ; 6 4 | = -36