\(\dfrac{20\cdot2^4+12\cdot2^4-48\cdot2^2}{2^6}\)
\(=\dfrac{2^6\cdot5+2^6\cdot3-2^6\cdot3}{2^6}\)
=5
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\(\dfrac{20\cdot2^4+12\cdot2^4-48\cdot2^2}{2^6}\)
\(=\dfrac{2^6\cdot5+2^6\cdot3-2^6\cdot3}{2^6}\)
=5