January 2019 0 15 Report
Logarytmy.
1) 2log₄x=5
2) 1/4log₂x=1/2
3)log₃2x-log₃(x-3)=1
4) 4^{x-3}=9
5) 5 + e ^{x+1} =20
6) ln(2x-3)= ln11

x-3 w 4 jest indeksem górnym i x+1 w 5 to samo.
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