1-(a+2b分之a-b)÷(a²+4ab+4b²分之a²-b²)紧急的嗷嗷!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 08:24:06
![1-(a+2b分之a-b)÷(a²+4ab+4b²分之a²-b²)紧急的嗷嗷!](/uploads/image/z/603320-32-0.jpg?t=1-%28a%2B2b%E5%88%86%E4%B9%8Ba-b%29%C3%B7%28a%26%23178%3B%2B4ab%2B4b%26%23178%3B%E5%88%86%E4%B9%8Ba%26%23178%3B-b%26%23178%3B%29%E7%B4%A7%E6%80%A5%E7%9A%84%E5%97%B7%E5%97%B7%21)
1-(a+2b分之a-b)÷(a²+4ab+4b²分之a²-b²)紧急的嗷嗷!
1-(a+2b分之a-b)÷(a²+4ab+4b²分之a²-b²)紧急的嗷嗷!
1-(a+2b分之a-b)÷(a²+4ab+4b²分之a²-b²)紧急的嗷嗷!
1-[(a-b)/(a+2b)]*[(a+2b)^2/(a+b)(a-b)]=1-(a+2b)/(a+b)=1-[1+b/(a+b)]=-b/(a+b)