• 2022-10-27
    随机变量X的分布列为[img=311x121]17e0b62484ec7b1.jpg[/img]则[img=108x22]17e0b6248fc6ea4.jpg[/img]()
    未知类型:{'options': ['1', ' [img=11x33]17e0a68c101c165.jpg[/img]', ' [img=11x33]17e0a7058f08913.jpg[/img]', ' [img=11x33]17e0a705ae7bd6c.jpg[/img]'], 'type': 102}