Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-09-13 19:58Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
457K
det| 1 3 ; 7 2 | = -19
det| 1 5 ; 4 2 | = -18
314K
det| 11 9 ; 5 12 | = 87
333K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K
det| 2 4 ; 7 3 | = -22
\frac{12}{6} \sum_{i=1}^{n} i^{2}
182K
det| 10 9 ; 6 11 | = 56
110K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dz [z^11] = 11z^10
305K
\oint_C \vec{F}\cdot d\vec{r} = 0
2y² + 1y + 4 = 0