除法-(2)VIP免费

210210262641586455335224课前抽测：学习目标：1.掌握有理数的除法法则。理解倒数的意义。2.会准确进行有理数的除法运算。3.感受转化思想，会将除法转化为乘法运算。8分题6分题4分题5分题1分题2分题3分题计算4.03.1计算521.26112.1245.27315.152152.2(每题3分)5253.19119.28125.0.3176.0.4