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Calculati media aritmetica a numerelor:
a) 24,16,8,12
b) 25,45,23
c)313 si 115
d)5,6,2,3,8,11,13,16


Răspuns :

24+16+8+12=60 ; 60:4 : 15
25+45+23=93 ; 93 :3 = 31
313+115=428 ; 428 : 2= 214
5+6+2+3+11+13+16 = 56 ; 56 :7 = 8
24+14+8+12):4=68:4=17. 25+45+23):3=83:3= Da cu rest. 313+115):2=428:2=214,. 5+6+2+3+8+11+13+16=64:8=8