结果1 题目 设Z为球面x^2 y^2 z^2=a^2的外侧,则I= < underdot> \ < /underdot> \oint \lim its\_ { \sum }x^3\ \ dydz y^3\ \ dzdx z^3\ \ dxdy= (). A. 4\div 5\pi a^5; B. 4\div 3\pi a^5; C. 12\div 5\pi a^5; D. 4\pi a^ 相关知识点:...