Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:03Z
F = G m₁m₂ / r²
\frac{11}{6} \sum_{i=1}^{n} i^{2}
52K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 6 ; 0 10 | = 90
90K
2H₂ + O₂ → 2H₂O
det| 8 4 ; 0 9 | = 72
det| 7 4 ; 4 8 | = 40
137K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
197K
det| 3 1 ; 4 4 | = 8
\oint_C \vec{F}\cdot d\vec{r} = 0
262K
∑_{k=1}^{n} k = n(n+1)/2
196K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
299K