论文部分内容阅读
2012年第4期《中小学数学》(小学版)刊登了《怎样求不规则海绵体积》一文。文中叙述了作者在讲如何求不规则物体的体积(土豆、橡皮泥等)?-个学生提出“怎样求不规则海绵的体积?”作者认为是先把海绵吸满水后再用排水法。贵刊编者指出:“此法不十分科学”。我非常赞同编者的意见。2013年3第三期《中小学数学》(小学版)刊登了《我求海绵体积之法》,作者用非常科学的方法阐述了
2012 No. 4 “primary and secondary mathematics” (elementary school edition) published “how to find irregular sponge volume” article. The article describes how the author is talking about the volume of irregular objects (potatoes, plasticine, etc.) - a student proposed “how to find the volume of irregular sponge?” The authors believe that the first sponge filled with water and then drained law. Your editor pointed out: “This method is not very scientific ”. I very much agree with the editor’s opinion. In 2013 3 the third issue of “primary and secondary mathematics” (primary school edition) published “I seek sponge volume method”, the author uses a very scientific method to elaborate