log3(3-x) log15(x-2)≥log15(1-2x)
log2(x2+4x+3)≤3
log14x-3x+3≥-12
log⁡(x2-5x+7)<0
log2x(5x-3)≤1

yogurtq2018    1   11.12.2020 07:40    0