Sorinel22 Sorinel22 26-03-2016 Matematică a fost răspuns 1.Rezolvati ecuatiile: a)x+5=13 b)x+1,3=17,5 c)x+9,23=12 d)x+4=8,36 e)x-4=14 f)x-7,3=5,27 g)x-11,2=7 h)13-x=4,38 i)18,3-x=7,69 2 Rezolvati ecuatiile: a)4x=17 b)9x=432,81 c)7,32 * x=10,98 d)2,45*x=490 e)14x=39,2 f)5,7*x=171