Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-08-24 15:44Z
∇²y = 0
∑_{k=1}^{n} k = n(n+1)/2
408K
det| 3 4 ; 2 4 | = 4
det| 8 2 ; 7 9 | = 58
252K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{12}{7} \sum_{i=1}^{n} i^{2}
194K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
35K
det| 7 9 ; 2 8 | = 38
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
47K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}