∵f(x)是R上的奇函数,且f(x+4)=f(x-2)∴f(x+2+4)=f(x+6)=f(x+2-2)=f(x)∴f(x)是R上的周期函数,且最小正周期为6∴f(3)=f(3-6)=f(-3),又f(3)=-f(-3)∴f(-3)=-f(-3)∴f(3)=0又f(0)=-f(0)∴f(6)=f(0)=0∴f(3)+f(6)=0你是...