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24/6=4平方釐米 邊長=2cm 體積=2*2*2=8立方釐米 54/6=9平方釐米 邊長=3cm 體積=3*3*3=27立方釐米 294/6=49平方釐米 邊長=7cm 體積=7*7*7=343立方釐米 大的體積=8+27+343=378立方釐米
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