October 2018 1 8 Report

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1. Wykonaj mnożenie : a) 2*(a+b)=

b)2x *(x (do kwadratu) -x+1 )=

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

d)(x-2y+z)*3=

e) 2a*(3a-2b+c)=

f)a(do kwadratu)b(do kwadratu)*(a (do kwadratu)-b(do kwadratu)-4)=

g)-2a*(a(do kwadratu)+b-4 ) =

h)1,3x*(x(do kwadratu)-x+1)= _____________________________________________________-_-_-_______

i) x(y-2z)-y(3x+z)+z (x - 4y)=

j) (x-2) (x+3) (x+4) (x+1) (x-3) (x-7)=

z góry dziękuję


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