October 2018 2 11 Report

Doprowadź do najprostszej postaci.

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

b) -3(2x-3y)+5(x+2y)-2(3y-x)

c) 5(b-2a)+3(a-3b)-4(2a-4b)

d) -7(2a+3b)-9(a-2b)-3(3a+4b)


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