• การบวก (บวก+ลบ)
     Help
  • 5 + (–3)
    2
  • –7 + 9
    2
  • –15 + 8
    -7
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
    • Your experience on this site will be improved by allowing cookies.