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方柱體積=底面積*高=0.6*0.6*5=1.8 要知道方磚有幾塊要先求方柱的表面積(這裡的表面積不包括底面積,只要側面積就可) 要貼的表面積=0.6*5*4=12 12*4根=48 方磚的面積為0.2*0.2=0.04 48/0.04=1200塊
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