个回答

• 如我这般

  2017-03-05 10:48:00

  已采纳

  x+y

  x-y

  x*y

  x/y

  x%y

  1

• 慕粉0928328636

  2017-03-05 10:49:31

  x+y

  x-y

  x*y

  x/y

  x%y

  1