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Kipstar99
a fost răspuns

Calculati media aritmetica a numerelor a= 8 - 3 radical 7 + 1/2 (3+radica 7) ^2 si b=24

Răspuns :

a= 8 - 3 radical 7 + 1/2 (3+radical 7) ^2
a=8-3 radical 7+1/2(9+6 radical 7+7)
a=8-3 radical 7+9/2+3 radical 7+7/2
a=8+16/2=8+8=16
b=24
Ma=(24+16)/2=40/2=20

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