given that x^3-y^3=(x-y)^3 and that x-y=d (where d not equal
given that x^3-y^3=(x-y)^3 and that x-y=d (where d not equal
given that (x^2m+n)(y^n+2)/4 and -3x^m+3(y^7) are like terms
given that y=(1+4x)e^-2x show that d^2y/dx^2+2dy/dx+xy=0
int x=3,y=4; printf("%d,%d",(x.y),(y,x));
英语翻译Prove that the curves y=x^3 and y=(x+1)/(x^2 +4) have ex
int x,y,z;x=y=z=3;y=x++ -1;printf("%d\t%d\t",x,y);y=++x -1;p
X++;Y++;printf("x=%d,y=%d",x,.
如果分式3x-6y/x+y=0,那么x,y 应满足 A、x=2y B、x≠-y C、x=2y且x≠-y D、x=2y且y
设随机变量X,Y相互独立,E(X)=E(Y)=3,D(X)=12,D(Y)=16,求D(3X-2Y)
设二维随机变量 x y 的概率密度为f(x,y)=3x,(x,y)∈D .D={(x,y)|0
#include main() { int x=1,y=3; x=9-(--y)-(--y); printf("%d",
y=sin(x^2),求dy/d(x^3)