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Calculati media aritmetica a numerelor a si b, stiind ca a 5/3-3/7 si b 1/3+1/7

Răspuns :

FizzyApple
Media aritmetica=(a+b)/2 => M=(5/3-3/7+1/3+1/7)/2 => M=(6/3-2/7)/2 => M=1-1/7 => M=6/7
Margot
Media aritmetica=(5/3-3/7+1/3+1/7)*2=((5/3+1/3)-(3/7+1/7))*2=(6/3-4/7)*2=1 intreg 3/7*2=1 intreg 6/7

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