Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:43Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 3 ; 2 6 | = 24
244K
det| 2 7 ; 7 3 | = -43
52K
det| 12 5 ; 4 13 | = 136
\oint_C \vec{F}\cdot d\vec{r} = 0
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 12 9 ; 5 13 | = 111
100K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
50K
det| 4 9 ; 7 5 | = -43
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
137K
det| 1 1 ; 3 2 | = -1
det| 5 6 ; 1 6 | = 24
262K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
196K
det| 12 9 ; 3 13 | = 129
det| 7 4 ; 4 8 | = 40
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K