Cut some rectangular pieces of paper 3cm in length and 2cm in width. At least several pieces of paper are needed to make a square. What is the relationship between the side length of a square and the length and style of the rectangle?

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• 2. There are () different ways to make a rectangle or square with 36 squares of 1 square meter Please make a table
• 3. The equation for finding the line L is that the line L passes through the point (1,0) and the angle between the line L 1: root 3x + y-root 3 = 0 is 30 degrees What do you do when k doesn't exist
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• 9. If the length ratio of the three edges of a cuboid passing through a vertex is 1:2:3 and the diagonal length is 214, the cuboid volume is______ ．
• 10. If the area of the triangle formed by the function y equals two-thirds of minus x plus B and the coordinate axis is 12, then B =?
• 11. Find ∫ ln (e ^ x + 1) / e ^ x DX
• 12. A rectangular conference room is 9 meters long and 8 meters wide. If you use square tiles with a side length of 2 decimeters, how many bricks do you need
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• 14. The side length of a square is equal to the diameter of a circle. It is known that the perimeter of the square is 20cm. How many square centimeters is the area of the square larger than that of the circle?
• 15. If lgx = 3.1502, what is x equal to?
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• 20. Cut off a rectangle 2cm wide from the square sheet, and the remaining area is 48cm2. Then the area of the original square sheet is () A. 9cm2B. 68cm2C. 8cm2D. 64cm2