x=6×2¹⁹⁹³+2¹⁹⁹³-(2¹⁹⁹⁷-2¹⁹⁹⁶)=
=3×2¹⁹⁹⁴+2¹⁹⁹³-2¹⁹⁹⁶(2¹-2⁰)=
=3×2¹⁹⁹⁴+2¹⁹⁹³-2¹⁹⁹⁶(2-1)=
=3×2¹⁹⁹⁴+2¹⁹⁹³-2¹⁹⁹⁶=
=2¹⁹⁹³(3×2+1-2³)=
=2¹⁹⁹³(7-8)=
=-2¹⁹⁹³
y=2¹⁰⁰-16²⁵+9³⁵:3²⁴=
=2¹⁰⁰-(2⁴)²⁵+(3²)³⁵:3²⁴=
=2¹⁰⁰-2¹⁰⁰+3⁷⁰:3²⁴=
=3⁴⁶=
=(3²)²³=
=9²³
z=2⁶⁹=
=(2³)²³=
=8²³
x<z<y raspuns corect B
