• 2022-06-10
    “x的取值在[1,10]或[200,210]范围内为真”的表达式是()
    A: (x>=1)&&(x<=10)&&(x>=200)&&(x<=210)
    B: (x>=1)&&(x<=10)||(x>=200)&&(x<=210)
    C: (x>=1)||(x<=10)||(x>=200)||(x<=210)
    D: (x>=1)&&(x<=10)||(x>=200)||(x<=210)
  • 举一反三