Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-09-02 05:24Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
364K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 8 2 ; 7 9 | = 58
27K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{12}{7} \sum_{i=1}^{n} i^{2}
164K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
310K
6t² + 2t + 0 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
383K
9α² + 8α + 7 = 0
6z² + 9z + 4 = 0