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Bugamarius2000
a fost răspuns

media aritmetica a numerelor a=1supra3+12supra5 b=2supra2+3supra5

Răspuns :

D3aAndreea
a = 0,33+ 2,4 = 2,73
b = 1 + 0,6 = 1,6 
Media aritmetica : 2,73 + 1,6 = 4,33 / 2 = 2, 165 
Capsunica35
a=1/3+12/5=(5+36)/15=41/15   nmc=15
b=2/2+3/5=(10+6)/10=16/10   nmc=10     b=8/5
ma=a+b/2=  (41/15+8/5)/2=(41+24)/15:2=65/15:2=13/3*1/2=13/6

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