■ji小cosx03二2x cosxdx3X2sin一6『xs in xdxsin xdx二x(arcsin x)2 2「2________________arcs in xdx
■ji小cosx03二2x cosxdx3X2sin一6『xs in xdxsin xdx二x(arcsin x)2 2「2________________arcs in xdx
发布时间:2025-07-18 06:36:07
■ji小cosx03二2x cosxdx3X2sin一6『xs in xdxsin xdx二x(arcsin x)2 2「2________________arcs in xdx