• 2022-06-09
    设集合[tex=0.643x1.0]Ft8KOBgb78fnKY0jEt4Rsg==[/tex]和[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex],且[tex=9.0x1.286]UAF5zept/c62KMXELvSGGfAwG2qylwDgM7o3RINViA7TqPJDrBVi4FZZoSvYhlYI[/tex]证明:[tex=12.071x1.357]Y5IiK8bdaDJGfIwXCUX7R+ai677sJrHfojsrCo44sxQa1ewkG9Ld67z46GhxKM5x4OQU6RpwKU97q00GHnSsTyB2cV6HJ+TgOtJRqh0Puco=[/tex]