亲爱的网友:M=N=x=1 rcosA,y=-1 rsinA,r>0,A
问题描述:
亲爱的网友:M=N=x=1 rcosA,y=-1 rsinA,r>0,A
a3 b3f(X)满足f(0)=f(4)A×B={a 2,2a,a 3,2a 1
答
3f(x 1)-2(x-1)=2x 17假设AD=AB BD=AB BC/2假设0