class Test4 { public static void main(String [] args) { boolean x = true; boolean y = false; short z = 42; if((z++ = = 42) && (y = true)) z++; if((x = false) || (++z = = 45)) z++; System.out.println("z = " + z); } } 结果为:() A: z = 42 B: z = 44 C: z = 45 D: z = 46
class Test4 { public static void main(String [] args) { boolean x = true; boolean y = false; short z = 42; if((z++ = = 42) && (y = true)) z++; if((x = false) || (++z = = 45)) z++; System.out.println("z = " + z); } } 结果为:() A: z = 42 B: z = 44 C: z = 45 D: z = 46
对于代码struct X { int x {8}; X() : x {10} { x = 42; }};X c;则 c.x 的值是 A: 8 B: 10 C: 42 D: 不能确定
对于代码struct X { int x {8}; X() : x {10} { x = 42; }};X c;则 c.x 的值是 A: 8 B: 10 C: 42 D: 不能确定
现有:classTest4{publicstaticvoidmain(String[]args){booleanx=true;booleany=false;shortz=42;if((z++==42)&&(y=true))z++;if((x=false)||(++z==45))z++;System.out.println(¨z=”+z);}}结果为: A: z=42 B: z=44 C: z=45 D: z=46
现有:classTest4{publicstaticvoidmain(String[]args){booleanx=true;booleany=false;shortz=42;if((z++==42)&&(y=true))z++;if((x=false)||(++z==45))z++;System.out.println(¨z=”+z);}}结果为: A: z=42 B: z=44 C: z=45 D: z=46
曲线[img=384x42]17e0a7c079715f0.png[/img],[img=93x42]17e0a7c08245a52.png[/img]
曲线[img=384x42]17e0a7c079715f0.png[/img],[img=93x42]17e0a7c08245a52.png[/img]
【单选题】 请看下面一段程序:session_start(); $_SESSION['test'] = 42; $test = 43; echo $_SESSION['test'];?>;其运行结果为。 A: 42 B: 43 C: 4243 D: 85
【单选题】 请看下面一段程序:session_start(); $_SESSION['test'] = 42; $test = 43; echo $_SESSION['test'];?>;其运行结果为。 A: 42 B: 43 C: 4243 D: 85
lim[√(x²+x)-√(x²-x)],x→∞
lim[√(x²+x)-√(x²-x)],x→∞
设f(x)=3x,g(x)=x2,则函数g[f(x)]-f[g(x)]=()。
设f(x)=3x,g(x)=x2,则函数g[f(x)]-f[g(x)]=()。
[lncos(x-1)]/[1-sin(πx/2)]x≠1
[lncos(x-1)]/[1-sin(πx/2)]x≠1
怎么证明D(X)=E(X^2)-[E(X)]^2和D(X)=E[X-E(X)]^2
怎么证明D(X)=E(X^2)-[E(X)]^2和D(X)=E[X-E(X)]^2
设f(x)=1/1-x求f[f(x)]和f{f[f(x)]}
设f(x)=1/1-x求f[f(x)]和f{f[f(x)]}