求语句频度1.x=n;y=0;while(x>=(y+1)*(y+1)){@y++;}求@的语句频度2.x=91;y=1
求语句频度1.x=n;y=0;while(x>=(y+1)*(y+1)){@y++;}求@的语句频度2.x=91;y=1
若|x+y-1|+(x-y-2)²=0,求代数式(x+2y)(x-2y)-(2x-y)(-y-2x)的值.
设y=ln(1+x),求y^(n)
若|x+2y-1|+y²+4y+4=0,求(2x-y)²-2(2x-y)(x+2y)+(x+2y)&
(X+y)(x+y-1)-12=0求x+y的值
x=5,y=110{x=y/x; y=y-x;}while(y>=1); 求x y
(3)执行下列语句后,x的值是( ),y的值是( ).int x,y; x=y=1; ++x||++y;
C语句while(scanf("%d%d",&x,&y)==2&&(x!=0||y!
若x-y=1,求代数式x(x-y)+y(y-x)+2013的值
条件语句:(1)a=(x>y)?x:y; →if(x>y) a=x;else a=y;
已知:3x=8y.求(1)x+y/y (2)2x+3y/x-2y
设随机变量X~N(0,1),Y=X²,求Y的概率密度.