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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,绿色圃中小学教育网,商中间或末尾有零的除法,0,2=,8,0=,6,0=,0 0 0,0,乘任何数都得,0,03=,0,02=,0,04=,0,05=,0,0,除以任何不是,0,的数都得,0,比一比,看谁算的又对又快,09= 80= 100,0=,355,0=,48,06=,01=,231,0=,98,0=,0,999=,0,0,0,231,80,98,100,0,0,判断,(,1,),0,除以任何不是,0,的数都得,0,。( ),(,2,),0,不能做除数。 ( ),(,3,),09,、,09,、,0,9,、,9,9,四个算式的结果都得,0,。( ),(,4,)因,0,乘任何数都得,0,,所以,0,除以任何数也都得,0,。( ),(,5,),0198=198,( ),聪明屋,不用计算,哪个算式的得数最大?在括号里画“,”,。,(,1,),1 23456789,0,( ),(,2,),1,2,3,4,5,6,7,8,9,0,( ),(,3,),0,1,2,3,4,5,6,7,8,9,( ),3093=,309,3,1,3,0,0,0,9,3,9,0,103,309,3,3,0,9,3,9,0,1,简便写法:,商中间有,0,的除法的计算方法:,在除法笔算过程中,被除数中间,哪一位上的数是,0,且前一位没有余数,时,就在这一位上商,0,。,420,3,3,12,12,0,14,0,4203=,140,420,3,3,12,12,0,14,0,0,0,简便写法:,商末尾有,0,的除法的计算方法:,在除法笔算过程中,除到被除数的,十位正好除尽,个位又是,0,,只要在,商的个位上写,0,就可以了。,笔算我最棒!,402,2,609,3,750,5,980,7,4,2,2,0,201,6,9,9,0,203,5,25,25,0,150,7,28,28,0,140,森林医生,760,4,406,2,566,5,19,4,36,36,0,4,6,6,0,2 3,111,5,6,5,6,5,2,0,0,556,5,5,6,5,16,15,1,113,某学校三年级召开家长会,,405,位,家长,两人坐一条凳子,需要准备多少,条凳子?,4052=202,(条),1,(人),202+1=203,(条),答:需要准备,203,条。,2162= 2458=,
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