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<正>When I studied at primary school,I learned the ways to calculate the surface area and the volume of rectangle,square and cylinder,and the volume of cone.I kn... 相似文献
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When I studied at primary school,I learned the ways to calculate the surface area and the volume of rectangle,square and cylinder,and the volume of cone.I knew rectangle and square are measured by the unite square ;we calculate the volume of the cylinder by cutting cylinder into pieces and putting the pieces together approximates the rectan- 相似文献
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