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- 一圆形游泳池如图所示,现在需在其周围建一圆形过道,并在其四周围上栅栏。栅栏价格为35元/米,过道造价为20元/平方米。过道宽度为3米,游泳池半径由键盘输入。要求编程计算并输出过道和栅栏的造价。-(A) a circular pool as shown, and now it takes on its built around a circular aisle, and in its four surrounding the fence. Fences price of 35 yuan/m,