计算:x-y分之x - x+y分之y + x²-y²分之2xy 计算:a-1分之2a+2 除以 (a+1) -(1)计算:x-y分之x - x+y分之y + x²-y²分之2xy(2)计算:a-1分之2a+2 除以 (a+1) - a²-2x+1分之a²-1
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 08:13:49
![计算:x-y分之x - x+y分之y + x²-y²分之2xy 计算:a-1分之2a+2 除以 (a+1) -(1)计算:x-y分之x - x+y分之y + x²-y²分之2xy(2)计算:a-1分之2a+2 除以 (a+1) - a²-2x+1分之a²-1](/uploads/image/z/5517118-46-8.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9Ax-y%E5%88%86%E4%B9%8Bx+-+x%2By%E5%88%86%E4%B9%8By+%2B+x%26%23178%3B-y%26%23178%3B%E5%88%86%E4%B9%8B2xy+%E8%AE%A1%E7%AE%97%EF%BC%9Aa-1%E5%88%86%E4%B9%8B2a%2B2+%E9%99%A4%E4%BB%A5+%EF%BC%88a%2B1%29+-%EF%BC%881%EF%BC%89%E8%AE%A1%E7%AE%97%EF%BC%9Ax-y%E5%88%86%E4%B9%8Bx+-+x%2By%E5%88%86%E4%B9%8By+%2B+x%26%23178%3B-y%26%23178%3B%E5%88%86%E4%B9%8B2xy%EF%BC%882%EF%BC%89%E8%AE%A1%E7%AE%97%EF%BC%9Aa-1%E5%88%86%E4%B9%8B2a%2B2+%E9%99%A4%E4%BB%A5+%EF%BC%88a%2B1%29+-+a%26%23178%3B-2x%2B1%E5%88%86%E4%B9%8Ba%26%23178%3B-1)
xQJ@~Am٭P" E/[$-bmуPK&1R",7|NYXpO#
d=V=:Vz .,(jM2$|{o@1`kav~fֆrgxܗy&^{(o{)tji(T'ʨárv&_2