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a fost răspuns

stiind ca a=39 si b+c=36,calculeaza:a)a+b+c,b)3a+b+c,c)a-(b+c),d)a+2b+2c,e)a+3b+3c,f)2a+5b+5c

Răspuns :

Honey81
a) a+b+c=39+36=75
b)3a+b+c=(3×39)+36=117+36=153
c)a-(b+c)=39-36=3

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