若单项式2a2nbm与a6b2是同类项,则nm等于______. 发布时间:2017-05-27 12:42 │ 来源:www.tikuol.com 题型:填空题 问题: 若单项式2a2nbm与a6b2是同类项,则nm等于______.
题型:填空题 It was Alice and her friends who helped the homeless old woman,______?A.wasn’t it?B.wasn’t sheC.didn’t they?D.weren’t they? 查看答案