Question

enumerați elementele mulțimii ​

Answer 1

Răspuns:

-3lx=>  x={-3,0,3}

l2x-1l<19

-19<2x-1<19

-19+1<2x<19+1

-18<2x<20║:2

-9<x<10

x={-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8}

E={-3,0,3}∩{-8,-7,...,7,8}={-3,0,3}

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