September 2018 2 25 Report

1.Uprość wyrażenia:

a)x+0,7x=

b)x-1,5x=

c)x+1,3x-0,2x=

2.zapisz krócej:

a)-17x-15x-13x-10x+10x+13x+15x+17x=

b)-10x-8x-6x-2x+2x+4x+6x+8x=

c)-123x+55x-39x+23x-155x+139x=


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