[(X²-7XY+10Y²)/(X²+4XY-12Y²)]×[(X²+10XY+25Y²)/(X²-10XY+25Y²)]÷[(X²-25Y²)/(X²+XY-30Y²)]

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/28 23:14:22

[(X²-7XY+10Y²)/(X²+4XY-12Y²)]×[(X²+10XY+25Y²)/(X²-10XY+25Y²)]÷[(X²-25Y²)/(X²+XY-30Y²)]

结果=X+5Y