May 2022 1 7 Report
Prosze o pomaoc mam na teraz łatwe dam podziekowanie.Zapisz wyrażenia w najprostszej postaci:

1. (4x – 2) – (2 + x) =

2. 9x –(x – 7) + 2=

3. 12a + 3(a – 6) -10a =

4. 5(x – y) + 4(2x + y) - y =

5. -8(a + 3) – 6(2a – 4) =

6. (x – y)(x + y)=

7. (a -2)(3a – 6) =

8. 2(−5)−3(2−2)+(−2)=

9. (++)−(−+)−(−−) =

10. (a – b)(a2+ ab +b2) =

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