单项式5x²y,3x²y²,-4xy²的和

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/26 07:48:23
单项式5x²y,3x²y²,-4xy²的和单项式5x²y,3x²y²,-4xy²的和单项式5x²y,3x

单项式5x²y,3x²y²,-4xy²的和
单项式5x²y,3x²y²,-4xy²的和

单项式5x²y,3x²y²,-4xy²的和
5x²y+3x²y²+(-4xy²)
=5x²y+3x²y²-4xy²