September 2018 1 30 Report

rozwiąż układ nierówności:

1) 3(t+2)+8<-10-(2-t)

-3t+6(t-4)>9

2)

1-(2r-1)(1+2r)<-2-(2r-1)^{2} \\ r- \frac{4r-2}{3} < r+2


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