录一： 四年级科学 C 组 主题三 物理世界 第六课 测量（面积） 姓名： 日期： 一 （面积=! X "） 3 mm 2 mm
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C
_____________________ ________________
B
_____________________ ________________
A
_____________________ ________________
2 mm
3 mm
=X
5 m
6 cm
5 m
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