Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 17:48Z
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
244K
det| 3 1 ; 3 4 | = 9
det| 2 4 ; 4 3 | = -10
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
100K
det| 8 5 ; 3 9 | = 57
50K
5β² + 1β + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 7 4 ; 4 8 | = 40
197K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
262K
∑_{k=1}^{n} k = n(n+1)/2
196K
\frac{9}{1} \sum_{i=1}^{n} i^{2}
det| 5 6 ; 4 6 | = 6
299K