题库搜索>数据充分DS-15017
If ab≠0 and a≠3b , what is the value of 4a+6ba+3b
(1) a-3b = 6
(2) 2aa+3b =4
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A. 不充分。
B. (4a+6b)/(a+3b)=[2(a+3b)+2a]/(a+3b)=2+2a/(a+3b)=6，充分。
啊啊我想读书
这题目有bug吧..条件二到底是啥啊
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2022-10-24 10:00:31
啊啊我想读书回复啊啊我想读书
看解析的意思条件二应该是：2a/（a+3b）...这题目写的还以为是带分数...
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2022-10-24 10:03:39
646531hswd
第二个条件不是2又而是2a?
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2021-11-23 17:47:24
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