December 2018 1 5 Report
1.Dla a=-1, b=-2 wartość wyrażenia a-b/2(a-2) jest równa:
A. - 1/2 B. - 1/6 C. 1/6 D. 1/2

Wyrażenie 4y^+2xy+6 można przekształcić do postaci:
A. 2(2y^+xy+3)
B.2y(2y^+x)+6
C.2y(2y+x+3)
D.4(y^+2xy+6)

4.Zapisz w jak najprostszej postaci wyrażenie :
-3y(2-y)-1/3(12y-6)-9y2

/ - to kreska ulamkowa
^ - do kwadratu
Proszę o rozpisanie tego, jeszcze dziś oraz jak ktoś by mógł wytłumaczenie jak zapisywać w najprostszej postaci :)
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