Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-09-01 14:30Z
∇²β = 0
∑_{k=1}^{n} k = n(n+1)/2
439K
det| 1 2 ; 7 2 | = -12
det| 8 2 ; 7 9 | = 58
381K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{12}{7} \sum_{i=1}^{n} i^{2}
469K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
99K
\frac{7}{9} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
11K
det| 2 8 ; 5 3 | = -34
det| 8 3 ; 6 9 | = 54