三年级数学下册2《除数是一位数的除法》口算除法创新练习新人教版.doc

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1口算除法 1照样子,填一填。商的位数 估算的结果 准确结果5475 110 10922764308363982估一估哪个算式的商最接近圈中的数,在它上面画“” 。3列竖式计算,并验算。4837 6499 85264它们每小时大约能跑多少千米?5参观消防表演队的成人人数是儿童人数的 4倍,如果成人有 436人参观,那么参观这次表演的一共有多少人?6王老师买了 8副羽毛球拍和 9副乒乓球拍,共用了 864元,买羽毛球拍和乒乓球拍的钱正好相等。每副羽毛球拍和每副乒乓球拍各多少钱?答案1二 70 69 三 100 1022 二 80 797226484 2133369 721 142 验算略4318480(千米) 482860(千米)54364436545(人)68642432(元) 432854(元) 432948(元)

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