%94%AnsCCourseDifficultyQ.1TopicIndices 指數Year2012StreamAlgebra (初中)Task砌(2x4)32x5=\dfrac{(2x^4)^3}{2x^5}=2x5(2x4)3=A. 3x23x^23x2B. 4x74x^74x7C. 4x74x^74x7D. 4x594x^{59}4x59