=2*2^2003*(-0.5)^2003+(-6-13/14)*7
=2*[2*(-0.5)]^2003+(-7+1/14)*7
=2*(-1)^2003+(-7*7+1/14*7)
=2*(-1)-49+1/2
=-51+1/2
=-50又2分之1
=2*2^2003*(-0.5)^2003+(-6-13/14)*7
=2*[2*(-0.5)]^2003+(-7+1/14)*7
=2*(-1)^2003+(-7*7+1/14*7)
=2*(-1)-49+1/2
=-51+1/2
=-50又2分之1