October 2018 2 19 Report

DOPROWADŹ DO NAJPROSTRZEJ POSTACI PODANE WYRAŻENIA :

a) 7(x+2y-3z)+4(2x-3y-5z) =

b)-3(-2a-4b - c)- 6 (a-2b-6c)=

c) -5 (2x +2y - 6z)- (x-7y-3z) =

d) -3(2x-3y)+5 (x+2y)-2( 3y-x)=

e) 5 ( b-2a)+ 3 (a-3b)-4(2a-4b)=

f) -7(2a+3b)-9 (a-2b)-3 (3a+4b) =



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