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【OG20-P159-89题】
Which of the following fractions is closest to 12 ?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
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4/7-1/2=1/14
5/9-1/2=1/18
6/11-1/2=1/22
7/13-1/2=1/26
9/16-1/2=1/16
追梦的猪猪
牢记：【作差】或【作商】比大小
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2022-01-30 01:07:22
Crystal8
牢记：最差做商比大小
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2021-11-20 08:56:31
Crystal8
妈呀，我把题目看成哪个数字最大了（虽然我选的答案也不是最大的
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2021-11-20 08:48:22
emily666
分子接近，选分母最大那个
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2020-04-02 16:01:36
Foca
这题答案是D吗？
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2018-11-04 18:50:13
独一无二的张喜喜回复Foca
是的
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2019-01-01 15:55:00
nicko
先观察ABCD都是分子比分母的一半多0.5
E比分母一半多1（可以排除E了）
ABCD随便拿出两个比较，发现分母越大的越接近。（其实从数学角度看当分母趋向无穷就是1/2了）
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2018-06-25 20:27:20
岛岛岛姐
7*0.5=3.5 4 9*0.5=4.5 5 11*0.5=5.5 6 13*0.5=6.5 7 16*0.5=8 9 分母越大越接近1/2 最后一个差了1 去除
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2018-02-04 05:02:49
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