有一个长方体,长20inches,宽8inches,高2inches
1个回答
如图片所示,纸的规格是(2+20+2)X(2+8+2+8)=24 X 20
由于要包裹长方体,纸的规格相对要大一点,所以可以是选项B_21 inches by 24 inches
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