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

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• 1. 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?
• 2. 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
• 3. 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
• 4. 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
• 5. 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
• 6. 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?
• 7. One side of a square is reduced by 10%, and the other side is increased by 2 decimeters to get a rectangle. The area of this rectangle is equal to that of the original square. The length of the original square is______ Decimeter
• 8. If we increase the length and width of a rectangle by one third, what is the area of the rectangle now?
• 9. If you increase the length and width of a cuboid by 1 / 3 respectively, what is the area of the cuboid now? What do you find? I know it's 16 / 9. Please reply as soon as possible
• 10. The ratio of length to width of a rectangle is 7:5. If the width is increased by 14 cm, the rectangle will become a square. The area of the original rectangle is___ Square centimeter
• 11. 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
• 12. 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
• 13. 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!
• 14. 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
• 15. 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
• 16. 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
• 17. 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
• 18. 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
• 19. 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
• 20. 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