October 2018 1 37 Report

Zamień sumę na iloczyn.

a) x(2a-3b)+2x(2a-3b)

b) 2a(4x-y)-(y+4x)a

c) 3x(3a-2b)+5x(3a-2b)

(Zad.8 str. 203 -,,Matematyka wokół nas" [klasa 3 gimnazjum])


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