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花圃的半徑=50.24÷2÷3.14=8米 花圃的面積=3.14×8×8=200.96平方米 種鬱金香的面積=種牡丹的面積=200.96×1/3≈66.99平方米 種百合的面積=種玫瑰的面積=200.96×1/6≈33.49平方米
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