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图形面积教学在小学数学中占有较大的比重。就教材中对该部分知识的编排,以及平面图形公式推导方法及体现的数学思想予以全面讨论。
Graphic area teaching occupies a larger proportion of elementary mathematics. On the textbook part of the knowledge of the layout, as well as the derivation of planar graphics and mathematical methods embodied in a comprehensive discussion.