October 2018 2 22 Report

Usun nawiasy i wykonaj redukcje wyrazow podobnych

a)(a+b)+(2a-b)

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

c)-5ab+(bc-2ab)+4cb

d)(5xyz-2xz)+(4zx-7zyx)

e)(m+n)-(2m+3n)

f)(2xy+4y)-(3yx-2y)

g)3abc-(2cab+5bac)

h)10xy-(5xy-8xy)


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