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Calculați media aritmetică a numerelor a și b, știind că a=1/3+12/
b=2/3+3/5


Răspuns :

a=1/3+12/5..........

a+b=1/3+12/5=2/3+3/5=1/3=2/3+12/5+3/5=3/3+15/5=1+3=4
m.a.(a,b) =(a+b):2=4:2=2
as simple as that!!


a=1/3+12/5 
b=2/3+3/5 
Ma=(a+b)/2
Ma=(1/3+12/5+2/3+3/5)/2
Ma=(3/3+15/5)/2
Ma=(1+3)/2
Ma=4/2
Ma=2