合并同类项：x²y-4xy²+5x²y+xy²

来源：学生作业帮助网编辑：作业帮时间：2024/05/12 18:39:16

合并同类项：x²y-4xy²+5x²y+xy²
合并同类项：x²y-4xy²+5x²y+xy²

合并同类项：x²y-4xy²+5x²y+xy²
x²y-4xy²+5x²y+xy²
=(x²y+5x²y)+(xy²-4xy²)
=6x²y-3xy²

x²y-4xy²+5x²y+xy²
=6x²y-3xy²