October 2018 1 20 Report

Zapisz w jak najprostszej postaci.

a) 2x(x-5)-3(x²-2x)+(x-2)x

b) a(a+b+c)-b(a-b+c)-c(a-b-c)

c) x(x²+2x+1)-(-4x³+8x²-6):2

d) 12b·(b-1):4+14·(b²-2b):21-(b-b²):3

to jest zadanie z podręcznika matematyka z plusem kl.1gim. zad.6/158

Błagam pomóżcie..


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