2-5用乘法和除法两步计算解决问题1.ppt

用乘法和除法两步计算 解决问题 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 4 12元可以卖3两小汽车 我想买5两小汽车 你应付多少钱？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 4 买一辆小汽车多少钱？ 买5辆小汽车多少钱？ 12÷3=4（元） 4×5=20（元） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 可以摆几个这样的图案？ 你还想提出什么问题？ 每6盆花可以 摆一个图案 9× 2=18（盆） 18÷ 6=3（个） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 8×2=16（瓶） 16÷4= 4（瓶） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 一张纸可以做几朵花？ 8÷2=4（朵） 5张纸可以做几朵花？ 4×5=20（朵） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3×8=24（个） 24÷4=6（个） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 3×8=24（个） 24÷6=4（个） Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 这节课你学到了什么？ Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.