1、(2a-b)x+3a-4b4/9
根据不等式可得:x>(4b-3a)/(2a-b)=4/9
所以8b=7a,代入不等式(a-4b)x+2a-3b
已知a,b是有理数,不等式(2a-b)x+3a-4b4\9,求出不等式
已知a,b是有理数,不等式(2a-b)x+3a-4b4\9,求出不等式
(a-4b)x+2a-3b>0
(a-4b)x+2a-3b>0
数学人气:617 ℃时间:2019-12-22 22:47:59
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