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1. In the fraction x/y, where x and y are positive intergers, what is the value of y? (1) The least common denominator of x/y and 1/3 is 6 (2) X=1 答案是E 2. If k is a positive interger, is k the square of an interger? (1) K is divisible by 4 (2) K is divisible by exactly four different prime number 答案是E 3. If 500 is the multipler of 100 that is closest to x and 400 is the multiplier of 100 that is closest to y, which multiplier of 100 is closest to x+y? (1) x<500 (2) y<400 这道题题目看不懂,谁能帮我翻译下并解答下吗 |
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