题目下列式子运算正确的是（ ）A.x3+x2=x5x^{3}+x^{2}=x^{5}x3+x2=x5B.x3⋅x2=x6x^{3}\cdot x^{2}=x^{6}x3⋅x2=x6C.(x3)2=x9(x^{3})^{2}=x^{9}(x3)2=x9D.x6÷x2=x4x^{6}\div x^{2}=x^{4}x6÷x2=x4知识点：同底数幂的乘法章节：数与式 / 整式
