※ 引述《dw5000 (休息一下~~)》之銘言： : Oak trees line both sides of a street for a length of : 3/8 of a kilometers. If there is 16 meters of space between : the trees, and each tree is 1 meter wide, how many trees are there : along the street : (a)22 : (b)23 : (c)42 : (d)44 : (e)46 : ANS. e : 怎麼算都是d啊~~算不出e >.<"" 請善心人士救救我 兩邊都有樹線,先算一邊在x2 設總共有x棵樹,則總共有 x-1個間距 間距寬度=16m , 樹的寬度=1m x*(1)+(x-1)*16=3*1000/8=375 x=23 --

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