October 2018 1 12 Report

1. Oblicz wartość liczbową wyrażenia

4b do kwadratu - 2a do kwadratu dla a = (-4) b= 3

2.Wykonaj działania

a)(2x-3)-(x+5)+x+4)

b) 4(2y-7y do kwadratu)-3(y do kwadratu -3y)


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