二年级数学下册三《生活中的大数》有多少个字精练北师大版.doc

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1有多少个字 1、大约有多少个水果( )( )#( )2( )2、大约有 300 个 大约有( )个z大约有( )个3、若大约有 20则:大约有( )个 4、大约有 10 个 w.3大约有( )个5、在合适的答案后面打“” 。小明:我们学校有 600 名男生,小红:女生的人数和男生差不多。女生大约有多少人?580 名( ) 800 名( ) 300 名( )参考答案:1、大约有多少个水果( 20 )( 10 )( 40 )( 100 )2、大约有 300 个 大约有( 600 )个大约有( 900 )个3、若大约有 20 个4则:大约有( 40 )个 4、大约有 10 个大约有( 30 )个5、在合适的答案后面打“” 。出小明:我们学校有 600 名男生,小红:女生的人数和男生差不多。女生大约有多少人?580 名( ) 800 名( ) 300 名( )

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