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[Issue Essay]

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题目:

Analytical!

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答案:

提问:

图发不上来,是一个半圆的隧道然后宽是20 The figure above shows the dimensions of a semicircular cross section of a one-way tunnel. The single traffic lane is 12 feet wide and is equidistant from the sides of the tunnel. If vehicles must clear the top of the tunnel by at least ½ foot when they are inside the traffic lane, what should be the limit on the height of vehicles that are allowed to use the tunnel? A. 5½ ft B. 7½ ft C. 8 ½ ft D. 9½ ft E. 10 ft

解答:

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阅读229514
解答: sysadmin

提问:

If 500 is the mutiple of 100 that is closest to x and 400 is the multiple of 100 that is closest to y,which multiple of 100 is closest to x+y? (1)x小于500 (2)y小于400

解答:

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阅读273029
解答: ken@boost.org.cn老师

提问:

老师 32题不懂怎么解,都是看过答案解释还没懂的!

解答:

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阅读273302
解答: ken@boost.org.cn老师

提问:

老师28题解答这里怎么是60的12次方,5的1次方?怎么化简化的?

解答:

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阅读272826
解答: ken@boost.org.cn老师

提问:

老师,这道题做错了,不会,怎么解啊?谢谢!

解答:

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阅读272718
解答: ken@boost.org.cn老师

提问:

May老师这道OG上的题没懂,即使看了下面的解释。谢谢哦!

解答:

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阅读273162
解答: ken@boost.org.cn老师

提问:

求may老师解答

解答:

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阅读273180
解答: 徐小梅老师

提问:

求may老师解答

解答:

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阅读272281
解答: 徐小梅老师

提问:

求may老师解答

解答:

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阅读273243
解答: 徐小梅老师

提问:

求may老师解答

解答:

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阅读273312
解答: 徐小梅老师

提问:

求may老师解答

解答:

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阅读273662
解答: 徐小梅老师

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