已知1a-1b=4,则a-2ab-b2a-2b+7ab的值等于( ) A.6 B.- 发布时间:2017-05-19 11:59 │ 来源:www.tikuol.com 题型:选择题 问题: 已知1a-1b=4,则a-2ab-b2a-2b+7ab的值等于( )A.6B.-6C.215D.-27
题型:选择题 –Hi, Tina, we’re going to Sam’s house to celebrate his graduation, would you like to _________? --Great! Let’s go.A.come upB.come onC.come outD.come along 查看答案