February 2019 0 6 Report
Opuść nawiasy i wykonaj redukcję wyrazów podobnych.
a) -3ab(-6a²-2ab-b²)-(3ab³+6a²b²)
b) 6a(5a²-8b)-10a(6b+7a²)-3ab
c) [(8x³-4x²y²)-2(3x²y²+4x²)]×(-2x²y²)
d) 4c-2(c-3)-3[c-3(4-2c)+8]
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