Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:10Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
2H₂ + O₂ → 2H₂O
det| 2 7 ; 7 3 | = -43
100K
det| 8 4 ; 0 9 | = 72
det| 7 7 ; 4 8 | = 28
197K
det| 3 1 ; 4 4 | = 8
det| 9 4 ; 1 10 | = 86
262K
∑_{k=1}^{n} k = n(n+1)/2
196K