解下列不等式组(要过程)
(1)X-1<3(2)X-1>3(3)X-1>3(4)X-1>3X+1<3X+1>3X+1>3X+1<3(5)2X-1>0(6)-3X-1>3(7)3(X-1)+13>5...
(1)X-1<3 (2)X-1>3 (3)X-1>3 (4)X-1>3
X+1<3 X+1>3 X+1>3 X+1<3
(5)2X-1>0 (6) -3X-1>3 (7)3(X-1)+13>5X-2(5-X)
X+1<3 2x+1>3 5-(2X+1)<3-6X
(8)X-3(X-2)≥4 (9)X-3(X-2)≥4 (10)2/1(X+4)<2
3/1+2X >x-1 5/2X-1 >2/X+1 2/X+2>3/X+3 展开
X+1<3 X+1>3 X+1>3 X+1<3
(5)2X-1>0 (6) -3X-1>3 (7)3(X-1)+13>5X-2(5-X)
X+1<3 2x+1>3 5-(2X+1)<3-6X
(8)X-3(X-2)≥4 (9)X-3(X-2)≥4 (10)2/1(X+4)<2
3/1+2X >x-1 5/2X-1 >2/X+1 2/X+2>3/X+3 展开
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2011-05-03
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ieuwgtri hwv
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