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,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2016-3-18,#,单击此处编辑母版标题样式,人教版,五年级,数学,下册,2,、,5,、,3,的倍数的特征,归纳举证,3,的倍数的特征。,理解,3,的倍数的特征。,我会做,个位上是,0,2,4,6,8,的数是,2,的倍数,所以,,2,的倍数有,92,28,70,78,50,426,210,1560,。,个位上是,0,或,5,的数是,5,的倍数,所以,,5,的倍数有,70,,,125,,,50,,,735,,,515,,,210,,,3055,,,1560,。,3,的倍数特征:,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,小结,根据上表可以得出:,3,的倍数不能只看个位,,3,的倍数个位上可以是任何数。,一个数各位上的数的和是,3,的倍数,这个数就是,3,的倍数。,
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