September 2018 1 17 Report

Zamień sumę na iloczyn :

a) 2y(x+y)-y-x=

b)x(x-1)-2(1-x)=

c)(x+y) <do potęgi 2 > +2 (x+y)=

e)a(a-1)-4(1-a)=

f)3z(x -5) + (5-z) =

g)3b(2-4) -(4-b)

h)5(x-7)+10y(7-x) =

i) 3(x+y) + (x+y) < do potegi 2) =

j) 5(a-b) <do potęgi 2 > - (a-b) =

Dla najszybszego i najlepszego daje naj :)


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