“x+y”可以造什么句，x+y造句

On the Arithmetic Functional Equation δ(x~2+y)+δ(x+y~2)=2ψ(x~3+y~3)

xy=［(x+y)2-(x-y)2］/4 incorporating inverters, summers and square-law function generators.

An operation or a quantity stated in symbolic form, such as?, y, or x+y.

以下列恒等式为基础的模拟乘法器。其恒等式为： xy=［(x+y)2-(x-y)2］/4该乘法器中含有若干个反相器、模拟加法器以及平方律函数发生器。

Transforming methods on "x,y∈R~+,x+y=1;

On the Diophantine Equatin x+y+xy=2~(p-1);

问得好,你的问题是,在方程x+y+z=1或2或3中3,常数项的几何意义是什么？

Study on geometial structures and electronic properties of Mg_xNi_y(x+y≤5) alloys clusters

Functional Characteristics of Solution for the Equation f(x+y)=f(x)·f(y);