1.用剪刀沿图1中小方格的边界把4×4正方形格纸剪开成形 状、大小都相同的两部分,共有　　　　种不同剪法(两次剪出的 图形的形状、大小都相同,视为一种剪法). 图1　　　　　　　　　　　　图2 2.两条直角边长分别是5cm,12cm,斜边长是13cm的直角三 角形,将它的短直角 1. Use scissors to cut the 4×4 square grid paper into two parts of the same shape and size along the border of the small grid in Figure 1. There are different kinds of cuts (the shapes and sizes of the two cut outs are the same, As a kind of cutting method. Figure 1 Figure 2 2. Two right side lengths are 5cm, 12cm, and the oblique side is a 13cm right triangle, and its short right angle