Question

2⁵⁴+3*2⁵⁵-3*2⁵³
дробная черта 
(4¹³)²*33

Answer 1

$frac{ 2^{54 }+3* 2^{55}-3* 2^{53} }{( 4^{13} )^{2}*33 } = frac{ 2^{53}(2+3* 2^{2} -3) }{( 2^{2})^{26}*33 } =$

$frac{ 2^{53}*11 }{ 2^{52}*33 }= frac{2}{3}$