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Efectuati a)5+2,16-7004=;;;b)35,32+12,8-17,88=;;c)18,3-2,87+7,68=;;;d)6-5,11+2=,e)21,5+7-13,58+2=;f)8+15,25-22,57=;g)42,87-5,5+23-1,02=;