Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:55Z
∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
244K
det| 12 5 ; 4 13 | = 136
det| 8 2 ; 7 9 | = 58
90K
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 2 6 ; 0 3 | = 6
100K
\oint_C \vec{F}\cdot d\vec{r} = 0
50K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
137K
det| 7 4 ; 4 8 | = 40
196K