计算:(3a^2)^3+(a^2)^2乘a^2
问题描述：
计算:(3a^2)^3+(a^2)^2乘a^2
答
:(3a^2)^3+(a^2)^2乘a^2
=27a^6+a^4×a^2
=27a^6+a^6
=28a^6