x取任何有理数时,总有2ax^2-b/3x+2=-4x^2-x+2,则a+b的值是( )A.-2 B .1C .0D .-1
问题描述:
x取任何有理数时,总有2ax^2-b/3x+2=-4x^2-x+2,则a+b的值是( )A.-2 B .1C .0D .-1
答
D
x取任何有理数时,总有2ax^2-b/3x+2=-4x^2-x+2,则a+b的值是( )A.-2 B .1C .0D .-1
D