※ 引述《butini (hackneyed)》之銘言： : #1 : 5. If [x] reprents the greatest integer less than or equal to x, : what is the solution to the equation 1 - 2[x]=-3 : (a)x=2 : (b)2<= x <3 : (c)2<x<=3 : (d)2<x<3 : (e)there is no solution Ans:(e) : 這是說例如2.xx=3嗎 還是2.xx=2? : 20. if a cube has an edge of length 10, then the length of the segement : connecting the center of a face of the cube to any vertex not contained : in the plane of that face is : (a) √6 (b)6√5 (c)5√6 (d)3√5 (e)10√6 Ans:c : **前面剛有人po過 不過回文還是看不懂..冏 : 28.After the first term, each term in a sequence is 3 greater than 1/3 of : the preceding term. If t is the first term of the sequence and t≠0, what : is the ratio of the second term to the first term? : Ans:(t+9)/3t : 題目看不懂.. 3 greater than 1/3那邊 3 greater than (1/3 of the preceding term) 比前一項的1/3 多3 t, (1/3)*t +3 : #2 : 6. if the sum of the two number is 21, and the difference of their square : is 63, what is the greater of the two numbers? : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^問啥@@" : Ans:12 : 8. For all real number, 6a-2, 3a, and a+2 are in arithemetic progression. : Column A: a+1 : Column B: 0 : Ans:A : 順便想問real number的定義為何?實數包含正整數 負整數 and?? 全部都包含 複數就是有a+bi的 只要沒有i的都是實數 看不懂在問什麼 好像是說 三個成等差級數 但又解不出來 : 22. of the 120 people in a room, 3/5 are women, and 2/3 are mirried. : ^^這個and是說其中女性有2/3結婚 : 還是說120個裡面2/3結婚XD : Column A: the maximum number of women in the room who could be unmarried. : Column B: 72 : Ans:B : 28. the sum of the digis of a three-digit number is 16. : The tens digit of the number is 3 times the units digit, which is 1/4 : of the hundreds digit. : column A: the three-digit number : Column B: 800 : Ans:A : 有點多 請見諒~"~ -- --

※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.113.13.127