Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:27Z
F = G m₁m₂ / r²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
2H₂ + O₂ → 2H₂O
det| 9 4 ; 1 10 | = 86
100K
∑_{k=1}^{n} k = n(n+1)/2
50K
det| 8 4 ; 0 9 | = 72
\frac{11}{6} \sum_{i=1}^{n} i^{2}
137K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
197K
det| 3 1 ; 4 4 | = 8
6z² + 6z + 7 = 0
det| 8 9 ; 1 9 | = 63