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Utilizand comutativitatea inmultiri , efectiati : 2*0,1*5 ; 5*2,7*2; 3,5*2*1,6*5; 4*5,34*25; 6,24*25*0,7*4; 2,5*3,14*2*0,2*5; Astept pana lå ora 16:20 Va Multumesc :* :*