Question

Se considera numerele a= [3 intregi si 1 supra 3+0,(5)-3] si b= [5 supra 6+0,(6) inchidem paranteza ] : la 1 supra 6
a) Determinata media aritmetica a numerelor a si b

Answer 1

a=(10/3+5/9-3)*9/2=(30+5-27)/9*9/2=8/9*9/2=4. ;b=(5/6+6/9)*6=(15+12/18)*6=27/3=9=> ma=(a+b)/2=(9+4)/2=13/2