• 2022-06-12
    Which of the following sets is a basis for[img=20x22]1803b6a6442eec5.png[/img].
    A: [img=90x51]1803b6a64ccb31c.png[/img]
    B: [img=90x51]1803b6a655004d5.png[/img]
    C: [img=90x51]1803b6a65caada3.png[/img]
    D: [img=96x63]1803b6a664cc85f.png[/img]
  • 举一反三