冀教版数学四年级上册第六单元测试卷2及答案
第六单元测试卷一、细心认真填一填。(共25分)1、296302856它是一个( )位数,它的最高位是( )位,“9”在( )位上,表示( )。2、 亿级的数位有( ) ( )、( )、( )3、一个五位数的最高数位是( )位。请写出一个你喜欢的五位( )。 4、4052631是()位数,4在()位上,表示()个(),5在()位上,它的计数单位是()。5、把168750四舍五入到万位约是()。6、在50后面添上()个0是5亿。7、一个数是由9个十万,9个千和9个十组成的,这个数是(),读作()。8、比一百万少十万的数是( ...
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