Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:06Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 2 ; 3 5 | = 14
90K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
100K
det| 8 4 ; 0 9 | = 72
\frac{12}{7} \sum_{i=1}^{n} i^{2}
197K
det| 3 1 ; 4 4 | = 8
\lim_{x\to 0} \frac{\sin x}{x} = 1
262K
det| 9 4 ; 1 10 | = 86
196K
∑_{k=1}^{n} k = n(n+1)/2
299K