三年级数学下册2《除数是一位数的除法》笔算除法(商末尾有零的除法)练习新人教版.doc

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1(商末尾有零的除法)一、直接写得数402 65013 98014 680347204 80016 72024 230466003 16040 2330 5012二、计算下列各题414018 631221 898023验算:672028 980949 647932验算:三、应用题21从 2424 里减去 24,连续减多少次后结果是 0?2一个生产小组有 20 人,上个月平均每人生产 45 个零件,这个月小组共生产 980 个零件,这个月平均每人比上个月超产多少个零件?3无线电厂生产 5040 台收音机已经做了 36 天,还有 1260 台没生产,平均每天生产多少台?参考答案3一、略二、230,30012 39010,240,2009,202015三、11010 24 个 3105 台(先求 36 天生产了多少台收录机:504012603780台)

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