The ratio of the length to the width of a rectangle is 7:3. If the length is reduced by 12cm and the width is increased by 16cm, it becomes a square to calculate the area of the original rectangle

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• 1. The ratio of length to width of a rectangle is 7:3. If the length is reduced by 12cm and the width is increased by 16cm, it becomes a square. What is the original square area Please use formula, not equation!
• 2. The ratio of the length and width of a rectangle is 7:3. If the length is reduced by 12 cm and the width is increased by 16 cm, it will become a square. The original area of the rectangle is______ Square centimeter
• 3. The ratio of the length and width of a rectangle is 7:3. If the length is reduced by 12 cm and the width is increased by 16 cm, it will become a square. The original area of the rectangle is______ Square centimeter
• 4. 1. 40% = (): 15 2. The ratio of length to width of a rectangle is 7:3. If the length decreases by 12cm and the width increases by 16cm, it becomes a square. The area of a rectangle is () square centimeter
• 5. The area of a square is reduced by 20%, and the other side is increased by 2 meters to get a rectangle whose area is equal to that of the original square, How many square meters is the original square?
• 6. One side of a square is reduced by 20%, and the other side is increased by 2 meters to get a rectangle. The area of the rectangle is equal to that of the original square, What's the area of a square? It's better to be simple and explain how each step comes from Use arithmetic
• 7. The length and width of a rectangle are increased by 20%, and the area of the rectangle is increased by () requirement: 1. The problem solving process is clear 2. Have ideas 3. Easy to understand
• 8. One side of a square is reduced by 1 / 5, and the other side is increased by 2 meters to get a rectangle. The area of the rectangle is the same as that of the square
• 9. One side of a square is reduced by 20% and the other side is increased by 2 meters to get a cuboid whose area is equal to that of the original square Better not use the equation
• 10. One side of a square is reduced by 20% and the other side is increased by 2m to get a rectangle whose area is equal to that of the original square How many square meters is the original square?
• 11. The width of a rectangle is three seventh of its length. If the length is reduced by 23 cm and the width is increased by 13 cm, it will become a square. What is the area of the original rectangle? Use the formula
• 12. The width of a rectangle is 0.625 of its length. If the width increases by 7cm and the length decreases by 5cm, the rectangle will become a square. Find the area of the original rectangle
• 13. If you increase the width of a rectangle by 5cm and decrease its length by 3cm, it becomes a square. It is known that the area of a square is 75 square centimeters larger than that of a rectangle How many square centimetres is the area of a square
• 14. If the length of a rectangle is reduced by 1 cm and the width is increased by 3 cm, the square will be 21 cm larger than the original rectangle. What is the length and width of the original rectangle? As soon as possible
• 15. For a rectangle, its length is reduced by 5cm, or its width is reduced by 4cm, and its area is reduced by 40 square centimeters. What is the area of this rectangle
• 16. If the length of a rectangle is reduced by 5 cm, the area of the rectangle will be reduced by 40 square cm, and the rest is just a square, which is the same as the original rectangle
• 17. When the length of a rectangle is removed by 5cm, the area will be reduced by 40cm, and the remaining part is just a square. How many square centimeters is the area of the original rectangle
• 18. If the length of a rectangle is reduced by 5 cm, the area will be reduced by 40 square cm. The rest is just a square. The area of the original rectangle is 40 square cm______ Square centimeter
• 19. For a rectangle, the ratio of length to width is 14:5. If the length is reduced by 13 cm, the width is increased by 13 cm, and the area is increased by 18 square cm, the area of the original rectangle can be calculated
• 20. The circumference of a rectangle is 18 cm, and its length and width are in whole centimetres. What is the area of the rectangle? Please write down