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calculeaza efectuand mai intai produsele.5*(16+39), 43*(9+7), (71-50)*6, (100-10)*26

Răspuns :

5*(16+39)=5*16+5*39=80+195=275
43*(9+7)=43*9+43*7=387+301=688
(71-50)*6=71*6-50*6=426-300=126
(100-10)*26=100*26-10*26=2600-260=2340