Informatie12 Informatie12 08-02-2016 Matematică a fost răspuns Calculati: a) 7/12+5/18; b)15/16-3/4; c)-3/14+2/21; d)1 3/7-2/3 e)4,32-2 1/2; f)1 1/8+(1,15); g)9/20-(1/5+1/4).