Cristinaali096id Cristinaali096id Matematică a fost răspuns 17. Calculati: 172+(2-54: 10-34): 21:22 C) [(5.3: 15+ 2'). 2-5'1:5"; + b) [6? + (7.2°: 14 + 2):31:2 d) [(7:37:63+79): 22 +31:2