题目内容

Lines can be short, and lines can be long.Lines can be 2, and lines can be curved.

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When a line goes all the way around, it makes a 3 .

You can use a circle, three small circles and a 4 line to make a face.

On another piece of paper, draw a circle. Then make it a mouse with eyes, ears, and 5 . Use lines and more circles.

If we cut a circle in half, we get two half-circles. You can use four half-circles to draw a 5 .