[計量] 請教三題
題目看不太懂 可以幫我嗎 感謝!
1. S is the sum of three consecutive integers, the greatest of which
is x. In terms of S, which of the following is the sum of three
consecutive integers, the least of which is x ?
(A) S-6 (B) S-3 (C) S+3 (D) S+6 (E) 2S 答案 D
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2. Of the positive integers that are multiples of 30 and are less than
or equal to 360, what fraction are multiples of 12 ?
(A) 1/6 (B) 1/5 (C) 1/3 (D) 2/5 (E) 1/2 答案 E
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3. If x is an integer and x平方 < 37 , what is the greatest possible value
of x minus the least possible value of x ?
(A) 5 (B) 6 (C) 10 (D) 12 (E) 36 答案 D
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05/16 16:07, , 1F
05/16 16:07, 1F
※ 編輯: vodos 來自: 124.8.133.154 (05/16 16:28)
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