Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:44Z
F = G m₁m₂ / r²
\oint_C \vec{F}\cdot d\vec{r} = 0
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
2H₂ + O₂ → 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
100K
\lim_{t\to 0} \frac{\sin t}{t} = 1
50K
det| 8 4 ; 0 9 | = 72
\binom{n}{k} = \frac{n!}{k!(n-k)!}
137K
det| 11 5 ; 0 12 | = 132
197K
det| 3 1 ; 4 4 | = 8
Fe₂O₃ + 3CO → 2Fe + 3CO₂
262K
det| 9 4 ; 1 10 | = 86
196K