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calc media aritmetica a numerelor a=8-3radicaldin 7 +1/2(3+rad din7)^2 si b=24

Răspuns :

a=8-3√7+1/2(3+√7)²=8-3√7+1/2(9+6√7+7)=8-3√7+1/2(16+6√7)=
8-3√7+8+3√7=16
B=24
MA=(16+24)/2=20