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Se stie ca a*b=17,25 si c=0,2. Calculati:
1) a*(b×c)
2) a*b+c
3) a*b-c


Răspuns :

1)a*(b*c)=a*b*c=17.25*0.2=3.45
2)a*b+c=17.25+0.2=17.45
3)a*b-c=17.25-0.2=17.05