利用1 cm² 的正方形鋪滿不同大小的長方形和正方形,探討長方形 中文版: http://www.geogebratube.org/material/show/id/16657 (Download GeoGebra file) 點擊圖形內的空白位置,找出各圖形的面積。 長方各的面積和它的長和闊有甚麼關係?
Explore the formula for the area of a rectangle by tessellating its space using unit squares. Eng ver: http://www.geogebratube.org/material/show/id/16621 (Download GeoGebra file) Find the area of each of the following rectangles or squares by clicking the empty spaces inside. What is the relationship between the area of a rectangle and its length and width?
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