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【OG20-P146-1题】
In the figure, the 6 small squares are identical, each with sides of length 1. What is the outer perimeter(shown in bold)of the entire figure?
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把小正方形平移进来变成一个2*2的正方形+多出来四条线。2*4+4=12
题目讨论 (4条评论)

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GMAT考701
6个正方形,24条边,内部12条(6条重合),外部12条
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0 回复 2022-08-21 15:54:25
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长安Cathy
补全是个长4宽2的长方形
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0 回复 2020-08-14 00:10:59
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严格是真的严格
都线都推到外边,成为长方形,2*(4+2)=12
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0 回复 2019-03-22 18:47:04
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风泥雨咦莉吕鱼
4+4+4=12
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0 回复 2018-09-06 09:22:15