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解不等式1+2x/(x+3)+3x/(x+4)-x<0(解不等式(需要過程) (1)Ix 1I 3 (2)Ix 3I Ix 2I 7 (3)Ix 1I Ix 1I 6)
關于解不等式1+2x (x+3)+3x (x+4)-x3x-1>3。2、x>4或x-1...
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解不等式1+2x/(x+3)+3x/(x+4)-x<0(解不等式(需要過程) (1)Ix 1I 3 (2)Ix 3I Ix 2I 7 (3)Ix 1I Ix 1I 6)
關于解不等式1+2x (x+3)+3x (x+4)-x3x-1>3。2、x>4或x-1...