Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 16:08Z
CH₄ + 2O₂ → CO₂ + 2H₂O
\lim_{α\to 0} \frac{\sin α}{α} = 1
244K
det| 5 6 ; 1 6 | = 24
52K
det| 8 6 ; 2 9 | = 60
∑_{k=1}^{n} k = n(n+1)/2
90K
∑_{k=1}^{n} k = n(n+1)/2
91K
d/dx [x^1] = 1x^0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
100K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
50K
2n² + 7n + 5 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
262K
det| 7 4 ; 4 8 | = 40
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 2 ; 3 8 | = 50
299K
∇²ω = 0
d/dy [y^10] = 10y^9