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一個長方體的表面積為16000平方分米,底面是邊長為40厘米的正方形,求長方體的體積是多少? 解,40厘米==4分米,得: 長方體的高是: (16000-4*4*2)/(4*4) ==998(分米) 所以長方體的高是998分米
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