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题库 / GMATLA-PS-10
The figure shows a square patio surrounded by a walkway of width x meters. If the area of the walkway is 132 square meters and the width of the patio is 5 meters greater than the width of the walkway, what is the area of the patio, in square meters?
56
64
68
81
100
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咋带入？
先列出等式，然后答案明显可以排除56.68，64边长为8, 81为9, 100为10，代进去就可以
好的，谢谢
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