已知(a-b)(a2+ab+b2)3-a2b+ab2=(a-b)2,且a≠b,则 发布时间:2017-05-11 13:09 │ 来源:www.tikuol.com 题型:填空题 问题: 已知(a-b)(a2+ab+b2)3-a2b+ab2=(a-b)2,且a≠b,则a-b=______.
题型:填空题 Hardly _____ he got out of the court _____ the reporters raised a lot of questions to him.[ ]A. had … when B. had…than C. did…when D. has…than 查看答案