考验你们智商的时候到了 一道英文数学题 同时考验你们的英文 和 A man launches his boat from point A on a bank of a straight river,1 km wide,and wants to reach point B,1 km downstream on the opposite bank,as quickly as possibl

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考验你们智商的时候到了 一道英文数学题 同时考验你们的英文 和 A man launches his boat from point A on a bank of a straight river,1 km wide,and wants to reach point B,1 km downstream on the opposite bank,as quickly as possibl
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考验你们智商的时候到了 一道英文数学题 同时考验你们的英文 和 A man launches his boat from point A on a bank of a straight river,1 km wide,and wants to reach point B,1 km downstream on the opposite bank,as quickly as possibl
考验你们智商的时候到了 一道英文数学题 同时考验你们的英文 和
A man launches his boat from point A on a bank of a straight river,1 km wide,and wants to reach point B,1 km downstream on the opposite bank,as quickly as possible.He could row his boat directly across the river to point C and then run to B,or he could row directly to B,or he could row to some point D between B and C and then run to B.If he can row 6 km/h and run 8 km/h,where should he land to reach B as soon as possible?(We assume that the speed of the water is negligible compared to the speed at which the man rows.)
1 km from C

考验你们智商的时候到了 一道英文数学题 同时考验你们的英文 和 A man launches his boat from point A on a bank of a straight river,1 km wide,and wants to reach point B,1 km downstream on the opposite bank,as quickly as possibl
最快是A直接到B,时间 （根号2）/6
楼上的x已经大于1了,所求不再是最小值

考验你们智商的时候到了 一道英文数学题 同时考验你们的英文 和 A man launches his boat from point A on a bank of a straight river,1 km wide,and wants to reach point B,1 km downstream on the opposite bank,as quickly as possibl 考验你们的时候到了, 考验你们的时刻到了 先来先得考验智商的时候来了 英语学霸们考验你们的时刻到了!come on! 一道考验你智商的简单数学题100块可以买1000个石头,现在打八折,买了20570个石头,是多少钱? 谁来个考验智商的题目 若五个有理数abcde满足丨abcde丨=-abced ,试求S=丨a丨/a+丨b丨/b+丨c丨/c+丨d丨/d+丨e丨/e的最大值考验你们智商的时候到了! 学霸们考验你们的时候到了,英语初二上的题,My parents bought me a ticket to tomorrow's football match 一道数学题,智商高的来挑战, 大神学霸考验你们的时候到了,我知道对于你们来说很简单.当M为何值当M为何值的时候,求9m-m²-4m最大值. 英语翻译标题是Facile In Situ Synthesis of Noble Metal Nanoparticles in Porous Cellulose Fibers考验英文水平高的时候到了 超难 考验智商的题目 超难考验智商的题目,求解 各种考验脑力,智商的问题, 考验一下当代人的智商：1+1=?发挥你们天马行空的想象力吧~要有创意!最好把理由写上~ 超难数学题,证明智商的时候到了,高手们已知实数x,y满足x²-x+y=3,则x+y的最大值是 考验你们的时候到了,.这座城市离杭州有2公里.The city ____ 2 kilometres ____ Hangzhou.2.People like to go along the river at boats.改错