(x²-y²)-4(2x²-2y²)化简

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 14:00:26

(x²-y²)-4(2x²-2y²)化简
(x²-y²)-4(2x²-2y²)化简

(x²-y²)-4(2x²-2y²)化简
-7X²+7Y²