Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:53Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
50K
det| 8 4 ; 0 9 | = 72
∫₀^∞ e^(-t²) dt = √π / 2
197K
det| 3 1 ; 4 4 | = 8
6z² + 6z + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K