Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:52Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 5 ; 4 13 | = 136
∑_{k=1}^{n} k = n(n+1)/2
90K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
91K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
100K
det| 4 9 ; 7 5 | = -43
∫₀^∞ e^(-y²) dy = √π / 2
197K
det| 1 1 ; 3 2 | = -1
\oint_C \vec{F}\cdot d\vec{r} = 0
262K
det| 9 4 ; 1 10 | = 86
196K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
218K