数学阅读课上,阁老师给我们出了一道有趣的数学题:图1中小正方形的顶点重叠在大正方形的中心,大正方形的边长是10厘米,小正方形的边长是8厘米,重替部分是多少平方厘米?同学们读完题都不知从何下手,教室里鸦雀无声。不一会儿,张韬站了起来,用响亮的声音说道:“我们可以在大正方形里画两条对角线(如图 In the mathematics reading class, the teacher of the geology gave us an interesting math problem: the vertices of the small squares in Figure 1 overlap in the center of the large square, the sides of the large squares are 10 cm, the sides of the small squares are 8 cm, Part of the number of square centimeter? Students do not know where to read the title start, the classroom silent. A moment later, Zhang Tao stood up and said in a loud voice: ”We can draw two diagonal lines in a large square