题目内容
When a line turns a corner four times, it makes a square.A square has four sides and four corners. Each side is the same 8 .
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You can use squares and half–circles to make a truck.A rectangle has four sides, just like a 9 . Two sides are the same length.The other two sides are another length. You can use rectangles, circles, squares and lines to draw a bus.
On another piece of paper, draw a rectangle.Then make it a house with a 10, two windows, and a door. Use a triangle and three rectangles.
校园网的拓扑一般是什么结构？
在下列那个拓扑结构中，中心结点的故障可能造成全网瘫痪的是什么结构？
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