【简答题】what is D value and Z value?
【单选题】If x, y, and z are positive integers, and 4x=5y=6z, then the least possible value of x+y+z is
【简答题】If x,y and z satisfy x+y=5 and z2=xy+y-9,then the value of 2x+3y+4z is__.
【单选题】If x,y, and z are int variables, and x=3,y=6, and z=4, then the value of 0 in the following expression is
【单选题】程序功能是计算函数f(x,y,z)=(x+y)/(x-y)+(z+y)/(z-y)的值,则【1】中应选择的是 。 #include float f(float a, float b) { float value; value=a/b; return(value); } void main() { float x ,y , z, sum; scanf(“%f%f%f”, &X,&y,&z);...
A.
f( x-y, x+y)+ f(z-y, z+y)
B.
f(x+y, x-y)+ f(z+y, z-y)
D.
f(z+y, z-y)+ f(z-y, z+y)
【单选题】以下选项中不属于深化民族团结进步教育,铸牢中华民族共同体意识的是()。
D.
巩固和发展平等团结互助和谐的社会主义民族关系
【单选题】以下程序的功能是计算函数F(x,y,z)=(x+z)/(y-z)+(y+2*z)/(x-2*z)的值,请将程序补充完整 #include float f(float x,float y) { float value; value=[1]; return value; } int main() { float x,y,z,sum; scanf("%f%f%f",&x,&y,&z); sum=f(x+...
B.
[1] (x+z)/(y-z) [2] y+z,x-z
C.
[1] x/y [2] y+2*z,x-2*z
【单选题】If the z -value for a given value x of the random variable X is z = 1.96, and the distribution of X is normal with a mean of 60 and a standard deviation of 6, to what x -value does this z -value corre...