四年级下册数学单元测试-第二单元-苏教版
http://t.cn/Ri466E4第二单元演练一、填空题。1.比最大的六位数大1的数是( ),它的最高位是( )位。2.十个一万是( );十个( )是一亿;由三十个万和三十个千组成的数是()。3.一个五位数,最高位和千位上都是3,这个数最小是( );一个数是由6个万、3个千和6个百组成的,这个数是( )。4.用5个3和3个0组成的8位数中,只读一个零的八位数是( ),最大的八位数是( ),读作:( )。5.把550000改写成用“万”作单位的数是( );肥城市去年桃花节的旅游收入是300000000元,改写成用“亿”作单位的数是( )元。二、判断题。(对的画“√”,...
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