作业帮[（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：2024/10/03 18:39:35
![[（X²-7XY+10Y²）/（X²+4XY-12Y²）]×[（X²+10XY+25Y²）/（X²-10XY+25Y²）]÷[（X²-25Y²）/（X²+XY-30Y²）]](/uploads/image/z/11466068-68-8.jpg?t=%5B%EF%BC%88X%26%23178%3B-7XY%2B10Y%26%23178%3B%EF%BC%89%2F%EF%BC%88X%26%23178%3B%2B4XY-12Y%26%23178%3B%EF%BC%89%5D%C3%97%5B%EF%BC%88X%26%23178%3B%2B10XY%2B25Y%26%23178%3B%EF%BC%89%2F%EF%BC%88X%26%23178%3B-10XY%2B25Y%26%23178%3B%EF%BC%89%5D%C3%B7%5B%EF%BC%88X%26%23178%3B-25Y%26%23178%3B%EF%BC%89%2F%EF%BC%88X%26%23178%3B%2BXY-30Y%26%23178%3B%EF%BC%89%5D)
x)~#BMZ<"R {S !mkh=< I+PP)V#ۋC6Jc$$- 0~{ysl#M#m @> ֒
[（X²-7XY+10Y²）/（X²+4XY-12Y²）]×[（X²+10XY+25Y²）/（X²-10XY+25Y²）]÷[（X²-25Y²）/（X²+XY-30Y²）]
[（X²-7XY+10Y²）/（X²+4XY-12Y²）]×[（X²+10XY+25Y²）/（X²-10XY+25Y²）]÷[（X²-25Y²）/（X²+XY-30Y²）]
[（X²-7XY+10Y²）/（X²+4XY-12Y²）]×[（X²+10XY+25Y²）/（X²-10XY+25Y²）]÷[（X²-25Y²）/（X²+XY-30Y²）]
结果=X+5Y