Original 9251
If the length of the square pad tent is reduced by 6 cm, its area will be reduced by 2.76 dm2. Specify the side length of the original and reduced pads.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- quadratic equation
- equation
- expression of a variable from the formula
- planimetrics
- area of a shape
- square
Units of physical quantities:
Grade of the word problem:
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