November 2018 1 17 Report

Uprość wyrażenia :

a) -2(3a-4b)-5(a+b)=

b)7(x+2y)-6(2x-y)=

c)5(x-jedna piąta y )-(2x-6y)=

PROSZĘ O POMOC DAJĘ NAJ. TO NA JUTRO!!!


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