December 2018 1 6 Report
Zad.5/106 zbiór zadań
Usuń nawiasy i wykonaj redukcję wyrazów 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+4y²)-(3yx-2y²)
g) 3abc-(2cab+5bac)
h) 10x²y-(5xy²-8x²y)
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