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你問題寫少了嗎?是要貼瓷磚嗎?需要(30×10+30×2.2×2+10×2.2×2)÷0.2^2=476÷0.04=11900(塊)蓄水池的容積:30×10×2.2=660m³;☆☆☆☆☆☆☆☆★★★★★☆☆☆☆★★★★☆☆☆☆★★★★☆…
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