August 2018 1 22 Report
Zad:3/154 p.
Niech A oznacza sumę algebraiczną 3x-y, niech B oznacza x-1,a C niech oznacza sumę -3x-y.Wykonaj działania:
a) A+B
b) A+B-C
c) A-B-C
d) A-(B-C)
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