四年级下册数学同步练习-2单元1课时 亿以内数的认识-苏教版
http://t.cn/Ri466E4苏教版小学数学四年级下册《亿以内数的认识》同步练习及参考答案一、选择1.下面的数中,数字“2”表示二个十的是()A.2401B.1204C.4021D.40122.与千万位相邻的两个数位是( )A.万位与百位B.亿位与百万位C.万位与百万位3.3790000中的“7”表示( )A.7个百万B.7个千万C.7个十万4.最小三位数和最大三位数的和是( )A.1B.1099C.8995.最小的六位数至少减去( )就是五位数.A.1B.10C.100D.10006.下面的数中,数字“2”-表示二个千的是()A.2401B.1204C.4021D.4012教...
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