September 2018 1 27 Report

Oblicz korzystajac ze wzoro skroconego mnozenia .

1. (0,3x -4)do kwadratu =

2. ( 0,3 - 0,2a)do kwadratu =

3. (1/2 x - 1/3) (1/2x + 1/3)=

4. ( 2i 1/2 - a) (a+2 i 1/2) =

5. ( 0,07 - 2a) (2a+0,07)=

6. (-3 i 1/2) do kwadratu =

7. 1 i 8/9 * 2 i 1/9 =

8. -3 i 2/5 * 2 i 3/5 =

9. 1999 do kwadratu

10. 78*82 =


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