Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:10Z
det| 11 8 ; 0 12 | = 132
\frac{2}{2} \sum_{i=1}^{n} i^{2}
244K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
52K
N₂ + 3H₂ ⇌ 2NH₃
det| 11 5 ; 0 12 | = 132
90K
det| 7 7 ; 4 8 | = 28
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
100K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
137K
2H₂ + O₂ → 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
262K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
F = ma
ω = 2πf
7γ² + 5γ + 5 = 0
det| 12 1 ; 5 13 | = 151