Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:50Z
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
244K
det| 12 5 ; 4 13 | = 136
∑_{k=1}^{n} k = n(n+1)/2
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
100K
det| 7 4 ; 4 8 | = 40
50K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
137K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
262K