Aleculiliana36id Aleculiliana36id Matematică a fost răspuns 11. Calculaţi: a) 5/2 - 7/3 +8/2 +9/3 ; c) 7/5 – 2/3 -8/5+4/3 ; e) 2/5 +9/7-6/5-16/7; -- b) 8V2 +6/5 +2/2-9/5; d) 4/3-2/7-11/7 +8/3; f) 3/7 +11/2-13/7-8/3.va rog dau coroana