(x-1)/(2x-1) <1
[(x-1)/(2x-1)] -1<0
[(x-1-2x+1)]/(2x-1)<0
-x/(2x-1) <0
x/(2x-1)>0
____+____(0)____-____(1/2)___+______
x e (-беск.; 0) U (1/2;+беск.)
...............................................................
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