def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(x,y) A: 20,10 B: 20 20 C: 10 10 D: 20 10
def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(x,y) A: 20,10 B: 20 20 C: 10 10 D: 20 10
写出下面代码的运行结果( )def exchange(a,b): return (b,a)x = 10y = 20x,y = exchange(x,y)print((x,y)) A: 10 20 B: 20 10 C: (20, 10) D: (10, 20)
写出下面代码的运行结果( )def exchange(a,b): return (b,a)x = 10y = 20x,y = exchange(x,y)print((x,y)) A: 10 20 B: 20 10 C: (20, 10) D: (10, 20)
下面代码的执行结果是def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(exchange(x,y)) A: (10, 20) B: (20, 10) C: 10, 20 D: 20, 10
下面代码的执行结果是def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(exchange(x,y)) A: (10, 20) B: (20, 10) C: 10, 20 D: 20, 10
下面代码的输出结果是()。def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(x,y) A: 20 20 B: 10 10 C: 20 10 D: 20,10
下面代码的输出结果是()。def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(x,y) A: 20 20 B: 10 10 C: 20 10 D: 20,10
下面代码的输出结果是。 def exchange(a,b): a,b=b,a return (a,b)x=10y=20x,y=exchange(x,y)print(x,y)( ) A: 10 20 B: 10 10 C: 出错 D: 20 10
下面代码的输出结果是。 def exchange(a,b): a,b=b,a return (a,b)x=10y=20x,y=exchange(x,y)print(x,y)( ) A: 10 20 B: 10 10 C: 出错 D: 20 10
解方程 (1)10x²-20x=-10 (2)x(x-2)=3
解方程 (1)10x²-20x=-10 (2)x(x-2)=3
已知程序如下,若X=10, Y=20, Z=30,该程序执行完成后,X的值为( )。1234567891011X = Z + Yif Y [ Z: X = X - Yelse: X = X - ZX = X - Yif X < Z: X = Y + 20X = X - Zif X ] Y: X = X - Y A: 10 B: 20 C: 30 D: 40
已知程序如下,若X=10, Y=20, Z=30,该程序执行完成后,X的值为( )。1234567891011X = Z + Yif Y [ Z: X = X - Yelse: X = X - ZX = X - Yif X < Z: X = Y + 20X = X - Zif X ] Y: X = X - Y A: 10 B: 20 C: 30 D: 40
中国大学MOOC: 下面代码的输出结果是def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(x,y)
中国大学MOOC: 下面代码的输出结果是def exchange(a,b): a,b = b,a return (a,b)x = 10y = 20x,y = exchange(x,y)print(x,y)
在SQL语句中,与x in (20, 30) 等价的表达式是( )。 A: x=20 and x=30 B: x>20 and x<30 C: x>20 or x <30 D: x=20 or x=30
在SQL语句中,与x in (20, 30) 等价的表达式是( )。 A: x=20 and x=30 B: x>20 and x<30 C: x>20 or x <30 D: x=20 or x=30
在SQL语句中,与BETWEEN 20 AND30等价的表达式是( )。 A: X>;=20 AND X<;30 B: X>;20 AND X<;30 C: X>;20 AND X<;=30 D: X>;=20 AND X<;=30
在SQL语句中,与BETWEEN 20 AND30等价的表达式是( )。 A: X>;=20 AND X<;30 B: X>;20 AND X<;30 C: X>;20 AND X<;=30 D: X>;=20 AND X<;=30