题目下列运算正确的是（ ）A.a3−a2=aa^{3}-a^{2}=aa3−a2=aB.a2⋅a=a3a^{2}\cdot a=a^{3}a2⋅a=a3C.(a2)3=a5(a^{2})^{3}=a^{5}(a2)3=a5D.a6÷a2=a3a^{6}\div a^{2}=a^{3}a6÷a2=a3知识点：同底数幂的乘法;幂的乘方与积的乘方;单项式乘单项式章节：未标注
