例句與造句

1. if we want to prove that any odd integer belongs to m, we must prove that it can be denoted with the difference of square of two integers
   要證明任何奇數(shù)都屬于m，即須證明任何奇數(shù)都能表示為兩整數(shù)的平方差。
2. It's difficult to find difference of squares in a sentence. 用difference of squares造句挺難的