义务教育课程标准实验教科书六年级（上册）列方程解决实际问题整理和复习 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.1、像3.4x+1.8=8.6、5x-x=24这样的方 程各应怎样解？2、在列方程解决实际问题时，可以怎样找 数量之间的相等关系？举例说明。如：依据等式的性质、移项、算式各 部分之间的关系解方程，并养成检验 的习惯。如：运用公式、找等量关系、寻找不变量等Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.一、解方程180+6x=33015x2=60x0.8x=1012-5x=8 x =36-(2x-6) =104x-10 = x+10Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.二、求x的值（）三角形面积275平方厘米11cmxcmEvaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.长方形周长mxm1.5mEvaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.三、写出下面各题的数量关系式。1、桃树和梨树共360棵。2、上层的本数比下层本数的3倍多28本 。3、小明买了5本书和一支钢笔共用去了 25元。Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.四、列出方程，并求出方程的解。 1. 60比一个数的3倍少30，这个数是多少 ？ 2. 一个数的4倍比60多24，这个数是多少 ？ 3、一个数与6.4的差除以3.6，商是 20 ，这个数是多少？ 4、一个数的1.8倍比它的2倍少1.96，求 这个数？Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.五、列方程解决实际问题1、南京长江大桥铁路桥长6772米，公 路桥长4589米。它的铁路桥比武汉长 江大桥铁路桥的倍多197米，公路桥 比武汉长江大桥的3倍少421米。 （）武汉长江大桥铁路桥长多少米 ？ （）武汉长江大桥公路桥长多少米?Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.五、列方程解决实际问题2、妈妈买了一套衣服一共用去135元 ，上衣的价钱是裤子的2倍。上衣和 裤子各是多少元？一个两层书架，上层书架的本数是 下层的4倍。如果把上层的书搬42本 到下层，则两层书正好相等，原来 下层有多少本书？Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.五、列方程解决实际问题3、沪宁高速公路全长274.08千米。一辆轿车 和一辆大客车分别从上海和南京同时相对开出 ，轿车每小时行118.4千米，大客车平均每小时 行110千米。经过几小时两车在途中相遇？甲、乙两人同时分别从两地骑自行车 相向而行，甲每小时行20千米，乙每小时 行18千米，两人相遇时距全程中点3千米 ，求全程长多少千米？Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.1、甲、乙两地相距1800千米，A、B两车 分别从两地同时出发相对开出。A车每小 时行60千米，B车每小时行40千米。经过 多少小时后，两车相距400千米？货船和客船同时从A港出发到B港，客 船每小时行38千米，货船每小时行26千米 ，几小时后货船落后客船18千米？Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.2、妈妈买回一筐苹果，按计划天数，如 果每天吃4个则多出48个苹果，如果每天 吃6个，则又少8个苹果，妈妈买回多少个 苹果，计划吃 几 天？Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.经过多少分甲赶上乙（第一次相遇）？-如果第二次相遇呢？Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.盒子里装有同样数量的红球和白球。每次取出6个红球和4个白球，取了若干次后，红球正好取完，白球还有10个。一共取了几次？盒子里原来有红球多少个？（先列出数量关系式，再列方程解答）Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.