你可能感兴趣的试题
H0:β1≠0 H0:β1=0 H0:β1≠0 H0:β1=0
if(x>0)y=1
else if(x<0)y=-1;
else y=O; if(x)
if(x>0)y=1;
else if(x<0)y=-1; y=-1;
if(x)
if(x>0)y=1;
else if(x==0)y=0;
else y=-1; y=0;
if(x>=0)
if(x>0)y=1;
else y=-1;
if((a>b)&&(b>c))k=1; else k=0; if((a>b) (b>c))k=1; else k=0; if(a<=b)k=0; else if(b<=c)k=1; if(a>b)k=1; else if(b>c) k=1; else k=0;
if(x>0)y=1 else if(x<0)y=-1; else y=O; if( if(x>0)y=1; else if(x<0)y=-1; y=-1; if( if(x>0)y=1; else if(x==0)y=0; else y=-1; y=0; if(x>=0) if(x>0)y=1; else y=-1;
xyx-1lnx yx-1(x+lny) yx-1(xlny+1) yln2y
if(a>b)&&(b>c)k=1;
else k=0; if(a>b) (b>c))k=1;
else k=0; if(a<=b)k=0;
else if(b<=c)k=1;
else k=0; if(a>b)k=1;
else if(b>c)k=1;
if((a>b)&&(h>c))k=1; else k=0; if((a>b) (b>c))k=1; else k=0; if(a<=b)k=0; else if(b<=c)k=1; if(a>b)k=1; else if(b>c)k=1; else k=0;
if((a>b)&&(b>c))k=1; else k=0; if((a>b) (b>c))k=1; else k=0; if(a<=b)k=0; else if(b<=c)k=1; if(a>b) k=1; else if(b>c) k=1;
if((a>b) && (b>e)) k=1;
else k=0; if((a>b) (b>e)) k=1;
else k=0; if(a<=b) k=0;
else if(b<=c) k=1; if(a>b) k=1;
else if(b>c) k=1;
else k=0;
if(x>0)y=1;
else if(x<0)y=-1;
else y=0;
else y=0; if(x)
if(x>0)y=1;
else if(x<0)y=-1; y=-1;
if(x)
if(x>0)y=1;
else if(x==0)y=0;
else y=-1; y=0;
if(x>=0)
if(x>0)y=1;
else y=-1:
if(x>0)y=1; else if(x<0)y=-1; else y=0; else y=0; if( if(x>0)y=1; else if(x<0)y=-1; y=-1; if( if(x>0)y=1; else if(x==0)y=0; else y=-1; y=0; if(x>=0) if(x>0)y=1; else y=-1:
if((a>b) && (b>e)) k=1; else k=0; if((a>b) (b>e)) k=1; else k=0; if(a<=b) k=0; else if(b<=c) k=1; if(a>b) k=1; else if(b>c) k=1; else k=0;
if(x>0)y=1
else if(x<0)y=-1;
else y=O; if(x)
if(x>0)y=1;
else if(x<0)y=-1; y=-1;
if(x)
if(x>0)y=1;
else if(x==0)y=0;
else y=-1; y=0;
if(x>=0)
if(x>0)y=1;
else y=-1;
if((a>b)&&(b>c))k=1; else k=0; if((a>b)‖(b>c))k=1; else k=0; if(a<=b)k=0; else if(b<=c)k=1; if(a>b)k=1; else if(b>c) k=1; else k=0;
if((a>b)&&(b>c))k=1; else k=0; if((a>b) (b>c))k=1; else k=0; if(a<=b) k=0; else if(b<=c) k=1; if(a>b)k=1; else if(b>c)k=1; else k=0;
if(x>0)y=1; if(x)
else if(x<0)y=1; if(x>0)y=1;
else y=0; else if(x<0)y=-1;
else y=0; y=-1 y=0;
if(x) if(x>=0)
if(x>0)y=1; if(x>=0)y=1;
else if(x==0)y=0; else y=-1;
else y=-1;
字符串a的长度 字符串b的长度 字符串a和b的长度之差 字符串a和b的长度之和
if((a>b)&&(b>c))k=1; else k=0; if((a>b)‖(b>c))k=1; else k=0; if(a<=b)k=0; else if(b<=c)k=1; if(a>b)k=1; else if(b>c) k=1; else k=0;