November 2018 1 11 Report

1).Wykonaj mnożenie. (x + 7) (2x - 1)= (2a - 1) (a + 3)= (4a - 1) (2a - 3)=

2).Zapisz w jak najprostszej postaci. a). (a + b) (a - 2b)= b). 5 (4x - 7) - (7 - 4x)= c). 2 (3x - 2y + 3z) - 5 by - x - z)=

3).Oblicz pole i obwód koła. a). r = 3cm b). r = 4dm c). r = 5m

4).Oblicz √ 36+64 = √ 13 ² -12 ² = √ 36 - √ 81 = √ 144 -√ 100=


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