August 2022 1 6 Report

помогите пожалуйста!очень прошу!!

 

1)5log.3основание. (-2x)=15

2)log.корень из5основание. (4x^2-8)=0

3)log.0,01основание. (11x-x^2)=-1/2

4)log.7основание. x+log.3основание. x=log.9основание. 21

 

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