求各位帮我解答(1)√-x³/(x-1)² (2) a/a²-1√(a-1)²/a的4方(0
问题描述:
求各位帮我解答(1)√-x³/(x-1)² (2) a/a²-1√(a-1)²/a的4方(0
答
(1)√-x³/(x-1)²
隐含x