先化简,再求值:(a-1a2-4a+4-a+2a2-2a)÷(4a-1),其中a 发布时间:2017-05-24 23:45 │ 来源:www.tikuol.com 题型:解答题 问题: 先化简,再求值:(a-1a2-4a+4-a+2a2-2a)÷(4a-1),其中a=2-3.
题型:解答题 It isn't quite _____ that he will be present at the meeting.A.sureB.rightC.exactD.certain 查看答案