(青岛版)五年级数学上册课件2、3、5倍数的特征

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1、2、3、5的倍数的特征青岛版五年级数学上册课件Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.S

2、lidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950

3、51525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientPr

4、ofile5.2.0.0.Copyright2004-2011AsposePtyLtd.123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100Evaluationonly.Createdw

5、ithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.2×1＝22×2＝42×3＝62×4＝82×6＝125×1＝55×2＝105×3＝155×4＝205×5＝255×6＝302×5＝10个位上是0、2、4、6、8

6、的数是2的倍数246802505050个位上是0或5的数是5的倍数2的倍数的特征和5的倍数的特征Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.182130353

7、940152617285310487894比一比谁的判断能力强2的倍数5的倍数3040267231089435401585310既是2的倍数，又是5的倍数？3040310Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Cop

8、yright2004-2011AsposePtyLtd.小结：自然数中，是2的倍数的数叫做偶数，不是2的倍数的数叫做奇数。1610213350831274297791119946考考你的眼力！1050238744621338312977911199偶数奇数Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProf