September 2018 2 9 Report

przeprowadź redukcję wyrazów podobnych

a) 4a-2b+3+3a+6b-9

b) -4a+5b-7-2a-3b+3

c) 3x+5y-4x+6y-7x-9y

d)-5x+2y-4x+5y+6x-3y

e) -2x+3y+3-2y-3x-4+y-4x+2

f) x-2y-4-2x-5+y-3+2x-6y


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