Because both 0.ab and 0.cd are less than 1.Then 0.ab*0.cd<0.ab, and you can get that 0.ab>1/2, in the same way, 0.cd>1/2, so the answer is D. ok?作者: linlin315 时间: 2003-3-23 15:04
OK! I understand you ! thanks!!作者: appandix 时间: 2003-3-27 10:44
thanks!!
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