May 2022 2 9 Report
Zapisz w jak najprostszej postaci:

a) a-5b+5(a-b)
b) -3(6a+3b)
c) x-[x-x(x-1)]
d) 110(20a+50b+30)
e)15x-18y+273
f) 5x+2-21x-63

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