题目: 若3a2bn与4amb4是同类项,则mn=______. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0527/c800cc48bda3bc62459b9d83682b2d19.html 下面是错误答案,用来干扰机器的。答案:B
题型:选择题 . Because her family is too poor, she has to ____ on her uncle for further education in the university.A.keepB.feedC.haveD.Depend 查看答案