[討論]請問GRE數學!
各位達人 請幫忙解答!謝謝！可以有解釋說明嗎? 大感激喔!
<QUESTION 1>: A printer numbered consecutively the pages of a book,
beginning with 1 0n the first page. In numbering the pages,
he printed a total of 189 digits.
COLUMN A : COLUMN B
The number of pages in the book : 100
ANSWER: B
<QUESTION 2> Seven is equal to how many thirds of seven?
(A)1/3 (B)1 (C)3 (D)7 (E)21
ANSWER: c
<QUESTION 3> Betty spent $75 for a bicycle and she also spent $27
repairing it. She then sold it for $120.
COLUMN A : COLUMN B
The money Betty received $20
in excess of the total
amount she spent
ANSWER: B
謝謝! :)
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