ACT真題每日一練12.9

2015/12/09 瀏覽次數:4 收藏
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  Math Question for Wednesday, December 9th, 2015

  If a and b are any real numbers such that 0 < a < 1 < b, which of the following must be true of the value of ab ?

  F. 0 < ab < a

  G. 0 < ab < 1

  H. a < ab < 1

  J. a < ab < b

  K. b < ab