решите неравенство
(5x-2)(x-4)>0
[5x-2>0 [x>0.4 x>0.4
[x-4>0 [x>4
[5x-2<0 [x<0.4 x<4
[x-4<0 [x<4
0.4<x<4
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[5x-2>0 [x>0.4 x>0.4
[x-4>0 [x>4
[5x-2<0 [x<0.4 x<4
[x-4<0 [x<4
0.4<x<4