六年级上册方程整理与练习.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,整理与练习,1,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,给上面的方程分个类，说说解法上的不同。,解：,6x,330,180,6x,150,x,1506,x,25,解：,58x,145,x,2.5,x,14558,解：,0.2x,10,x,100.2,x,50,解：,2.2x,10,1,2.2x,11,x,112.2,x,5,解：,15x,602,15x,120,x,12015,x,8,解：,5x,3.15,x,3.155,x,0.63,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,列方程解应用题的一般步骤,审,设,列,解,验,答,找等量关系式,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,说等量关系式,1,、王老师买,12,枝钢笔，付出,100,元，找回,16,元。,2,、陈乐做对的题数比李艳做对题数的,2,倍少,10,题。,3,、五、六年级一共有学生,600,人。,4,、爸爸比妈妈大,3,岁。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,南铁：,南公：,武铁：,？米,武公：,？米,多,197,米,少,421,米,6772,米,4589,米,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,独立完成，想：这题的未知量和已知量分别是什么，它们之间有什么等量关系式？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,独立完成，想：这题的未知量和已知量分别是什么，它们之间有什么等量关系式？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,当堂检测,（,1,）,2004,年亚洲人口约,39,亿人，比欧洲人口总数的,5,倍还多,4,亿人。欧洲人口大约有多少亿人？,（,2,）小明的爸爸买了一个金鱼缸和,8,条金鱼，一共用去,31,元。其中金鱼缸的价钱是,15,元，平均每条金鱼的价钱是多少元？,（,3,）妈妈买回大米,20,千克，面粉,15,千克，共用去,80,元，面粉每千克,2.4,元，大米每千克多少元？,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,思考：,（,1,）,（,2,）一个小数，将它的小数点向右移动一位，现在的数比原来大了,16.2,，原来这个小数是多少？,3,56,54,里填？,3,5,45,里填？,现在的数是原来的,10,倍,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,