题目

计算：-3xy2z·(x2y)2=_________． 答案：【答案】-3x5y4z【解析】先算乘方，再算单项式乘单项式即可.-3xy2z·(x2y)2=-3xy2z·x4y2=-3x5y4z故答案为：-3x5y4z你的成功取决于你努力学习的程度。Your success __________ __________ how hard you work at your lessons.