下面哪个布尔表达式是正确的
A: (x > 0) or (x < 0)
B: True and 3 => 4
C: !(x > 0) and (x > 0)
D: (x != 0) or (x = 0)
A: (x > 0) or (x < 0)
B: True and 3 => 4
C: !(x > 0) and (x > 0)
D: (x != 0) or (x = 0)
举一反三
- 下面哪个布尔表达式是正确的? A: True and 3 => 4 B: !(x > 0) and (x > 0) C: (x > 0) or (x < 0) D: (x != 0) or (x = 0)
- 下面哪个布尔表达式是正确的 A: (true) && (3 => 4) B: !(x > 0) && (x > 0) C: (x != 0) || (x = 0) D: (-10 < x < 0)
- 下面哪个布尔表达式不正确 A: (true)&&(3=>4) B: !(x>0)&&(x>0) C: (x>0)||(x<0) D: (x!=0)||(x=0) E: (-10
- 下面哪个布尔表达式不正确? A: (true)&&(3=>;4) B: !(x>;0)&&(x>;0) C: (x>;0)||(x<;0) D: (x!=0)||(x=0) E: (-10<;x<;0)
- 下面哪一个布尔表达式的语法不正确 A: (true) (3 4) B: !(x 0) (x 0) C: (x 0) || (x 0 ) D: (x != 0) || (x = 0)