若a=-12,b=2,c,d互为倒数,则代数式2(a+b)-3cd的值为( )A 发布时间:2017-04-18 12:36 │ 来源:www.tikuol.com 题型:选择题 问题: 若a=-12,b=2,c,d互为倒数,则代数式2(a+b)-3cd的值为( )A.2B.-1C.-3D.0
题型:选择题 —What’s the woman with a ponytail like? —She doesn’t talk much, _____________________.A.she is a nurseB.she is shy and quietC.she likes musicD.she is ten years old 查看答案