• 2022-06-27
    将函数[img=59x30]17e0b425037f06b.jpg[/img]在[img=28x19]17e0b4250f37c0c.jpg[/img]上展开为正弦级数( )
    未知类型:{'options': ['', ' [img=219x47]17e0b4252511ec9.jpg[/img]', ' [img=195x47]17e0b425301a08f.jpg[/img]', ' [img=211x47]17e0b4253dcf1d4.jpg[/img]'], 'type': 102}