新人教版三年级数学下册第5单元《面积》试卷2
人教版三年级数学下学期第五单元试题《面积》试卷一、想一想,再填空。(22分)1、一个边长是6分米的正方形,它的周长是( ),面积是( )。2、用边长5厘米的两个正方形拼成一个长方形,它的周长是( ),面积是( )。3、一个长方形长为6厘米,比宽长2厘米,它的面积是( )。4、3平方分米=( )平方厘米 5000平方分米=( )平方米 200厘米=( )米 5公顷=( )平方米 8平方千米=( )公顷 4000公顷=( )平方米5、在括号里填上合适的单位。数学课本封面的面积是260( ) 小李身高141( )一所学校的...
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