三年级数学下册五《面积》面积单位的换算练习北师大版.doc

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1面积单位的换算轻松准备测量操场、球场、房屋的面积一般用平方米作单位,测量较大的土地面积一般用公顷、平方千米作单位。1 平方千米=100 公顷=1000000 平方米,1 平方米=100 平方分米=10000 平方厘米。快乐学习1填空。23 平方米=( )平方分米35 平方分米=( )平方厘米500 平方分米=( )平方米5700 平方厘米=( )平方分米2 平方米=( )平方分米3000 平方厘米=( )平方分米2在中填上“” “ 33(1)C (2) B4(1) (2) (3) (4)5. 625 平方米6. 200 平方米8. 150 块 9 平方米9. 81 平方米10. 36 平方米11. 96 平方米 40 米面积=20(1010)=400(平方厘米)周长=204=80(厘米)面积=(2020)10 =400(平方厘米)周长=204102=100(厘米)13. 1800 块14(1) 6560 平方分米 (2) 328 元4

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