August 2018 3 21 Report
Doprowadz wyrażenie do najprostszej postaci i oblicz jego wartość:!
OTO ONO:

-3x+5(2x-7)-6(-5x+6)=

dla x = (-1)

ii i i :

b) 5(a-2b)+4(3a+6b)+12=
dla a = 2 i b= (-5)

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