September 2018 1 23 Report

A)Zapisz w postaci sumy algebraicznej

* - Mnożenie

1/2 - Ułamek

a) (2a+b)*c-(2ac-bc+1)

b) 5(x-z)+2(z-)x

c) 2x*x(x-5)-3x(x*x-3x+5)

d)6(a*a+b+1/3)-6(a*a-1/2)-3(b+1/3)

B)Zapisz w jaknajprostszej postaci

6x-12y + x-4y

3

15a+20b 4a+8b

5 2

7k+21 - 3k-9

14 6

4* 3a+6 + 10-5p *9

12 15


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