Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:51Z
det| 11 8 ; 0 12 | = 132
\lim_{x\to 0} \frac{\sin x}{x} = 1
244K
∑_{k=1}^{n} k = n(n+1)/2
52K
N₂ + 3H₂ ⇌ 2NH₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 11 9 ; 5 12 | = 87
50K
CH₄ + 2O₂ → CO₂ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
det| 7 4 ; 4 8 | = 40
197K
2H₂ + O₂ → 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
196K