... <看更多>

... <看更多>

... <看更多>

Internal structure of human heart shows four chambers viz. two atria and two ventricles and couple of blood vessels opening into them. ... <看更多>

Draw an ASCII-art heart, filled and empty. Imagine a coordinate plane and draw a figure that consists of two half-сircles and one half-rhombus. ... <看更多>

Draw a square (hold Shift+Ctrl while dragging rectangle tool) of 100 units and a semicircle (hold ... This will give you one path for the final heart shape. ... <看更多>

... <看更多>