September 2018 2 42 Report

WYRAŻENIA ALGEBRAICZNE

Każdą z sum algebraicznych zapisz w prostszej postaci :

a) 2x-5x+4-4x+6-7x+1-2x

b) 4a-3b+2c-3b+5a-7c+4a

c) ½m-⅔m+¼m+⅓m-0,75m

d) 3,5x-2⅔xy+1⅙-2⅖x+2⅓+4⅚xy


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