四年级下册数学同步练习-2单元3课时 亿以上数的认识-苏教版
http://t.cn/Ri466E4苏教版小学数学四年级下册《亿以上数的认识》同步练习及参考答案一、填空题。1.万级的包含有()、()、()、()四个数位,亿级的计数单位有()、()、()、()。2.最小九位数是(),它比最大八位数多()。3.比最大的九位数多1的数是()。二、选择题。1.一个十一位数,它的最高位是( )A.十亿B.百亿位C.百亿D.亿位2.一个数是十位数,它的最高位是( )A.十亿位B.亿位C.千亿位D.百亿位3.68520031中的“5”表示( )A.5个十B.5个万C.5个十万4.一个数,它的最高位是十亿位,这个数是( )位数.A.八B.九C.十5.615400...
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