A:他们的叛逆是对传统文化的彻底抛弃
B:他们的传承是对传统文化的虔诚继承
C:他们的叛逆是在继承的基础上的创新
D:他们的创新是对传统文化的彻底剔除
—If I were you, I ______ for it last night instead of watching movies.
已知xm=2,xn=3,求:①xm﹣n;②xm+m;③x2m+n;④x3m﹣2n的值.