[計量] 請教幾題計量
Of the postive integers that are multiples of 30 and
are less than or equal to 360, what fraction are multiples of 12?
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S is the sum if three consecutive integers, the greatest of which is
x. In terms of S, thich of following is the sum of three consecutive
integers, the least of which is x?
看不太懂這兩題的題意.. 有勞偉大的板有們了!!
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