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efectuati:30 3*{13 2*[500-4*(23-2la puterea 3)]}
Dau coroana \



Răspuns :

30+3*{ 13+2* [500-4*(23-8)]}
30+3*[13+2*(500-60)]
30+3*(13+2*440)
30+3*893=2709
30+3•{13+2•[500-4•(23-8)]}=30+3•[13+2•(500-4•15)]=30+3•[13+2•(500-60)]= 30+3•(13+2•440)=30+3•(13+880)=30+3•893=30+2679=2709.sper ca te-am ajutat. Așa se rezolva