Log5(3-8x)>0 помогиите
Log 5 (3-8x) > log 5(1) 3-8x>1 -8x>-2 x<1/4 ОДЗ: <br> 3-8x>0 8x<3<br> x<3/8<br>///////////////////////////// \\\\\\\\\\\\\\\ ------------о----------о--------->x 1/4 3/8 x∈(-∞; 1/4)
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