4x+2m=3x+1 x=1-2m
3x+2m=6x+1 3x=(2m-1)/3
两方程解相同,1-2m=(2m-1)/3
(4/3)(2m-1)=0 2m-1=0 m=1/2
(-2m)^2007-(m-3/2)^2008
=[(-2)(1/2)]^2007-(1/2-3/2)^2008
=(-1)^2007-(-1)^2008
=-1-1
=-2
4x+2m=3x+1 x=1-2m
3x+2m=6x+1 3x=(2m-1)/3
两方程解相同,1-2m=(2m-1)/3
(4/3)(2m-1)=0 2m-1=0 m=1/2
(-2m)^2007-(m-3/2)^2008
=[(-2)(1/2)]^2007-(1/2-3/2)^2008
=(-1)^2007-(-1)^2008
=-1-1
=-2