October 2018 2 35 Report

Zapisz wyrażenia bez nawiasów i wykonaj redukcję wyrazów podobnych:

a) (2x-3)-(x-3x+1)+(3x-6x-5)=

b) (0,5a +a)+(0,7a-3a+1)-(-0,2a+1,2a-1,5)=a) (2x-3)-(x^{2}-3x+1)+(3x^{2}-6x-5)= .......................................................................................................... b) (0,5a^{2}+a)+(0,7a^{2}-3a+1)-(-0,2a^{2}+1,2a-1,5)=


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