七巧板是我国民间流传最广、也是最常见的一种古典智力玩具。七巧板是一种拼图游戏,它是用七块板,以各种不同的拼凑法来拼搭千变万化的形象图案。将一块正方形的板按图所示分割成七块,就成了七巧板。用这七块板可以拼搭成几何图形,如三角形、平行四边形、不规则的多角形等;也可 Tangram is the most widely circulated folk in our country, is also the most common kind of classical intelligence toys. Jigsaw puzzle is a jigsaw puzzle, it is the use of seven plates, with a variety of patchwork to pick up the ever-changing image of the pattern. Divide a square plate into seven pieces as shown in the figure and become a jigsaw puzzle. With these seven plates can be spelled into a geometric figure, such as triangles, parallelograms, irregular polygons, etc .; also