Răspuns:
a)x=2'96+2'98+2'100=
=2'96×(1+2'2+2'4)=
=2'96×21
y=2'101+2'99+2'97=
=2'97×(2'4+2'2+1)=
=2'97×21
y>x
b)x=3'57-3'55-3'53=
=3'53×(3'4-3'2-1)=
=3'53×71
y=5'43-125'14=
=5'43-5'42=5'42×(5-1)=5'42×4