用分数指数幂表示a^2*3根号下a^2是 A.a^2/3 B.a^8/3 C.a^2/3 D.a^8/3
问题描述:
用分数指数幂表示a^2*3根号下a^2是 A.a^2/3 B.a^8/3 C.a^2/3 D.a^8/3
答
a^2*3根号下a^2=a^2*a^(2/3)=a^(2+2/3)=a^(8/3)选D
用分数指数幂表示a^2*3根号下a^2是 A.a^2/3 B.a^8/3 C.a^2/3 D.a^8/3
a^2*3根号下a^2=a^2*a^(2/3)=a^(2+2/3)=a^(8/3)选D