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專家來講: 長方體的體積=圓錐體的體積 圓錐的底面積為: 6²;×3.14=113.04(平方釐米) 圓錐零件的高是: 282.6÷(1/3)÷113.04 =847.8÷113.04 =7.5(釐米) 答:圓錐零件的高是7.5釐米.
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