(1)2X-1>0 X+1<3 (2)3(X-1)+13>2(5-X)怎么做?
4个回答
(1)2X-1>0 X+1<3
x>1/2,x0
x>0
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(5x+2)(x-2) -5(x+1)(x-3)怎么做
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