October 2018 1 17 Report

Na za 10 min !

Wartość bezwzględna

Rozwiąż równania i nierównosci

>= oznaczam wiekszy,równy

Bo nie ma znaku.

1. |x|=5

2. |x+5|=7

3. |x-5|=9

4. |x|=|x-1|

5. |x|=|2x|

6. |x|>=5

7. |x-1|<3

8. |x|+|x-1|=8

9. |x|+|x-1|>=8


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