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m= 3² - 1
n= 2² + 1
Ma=?


Răspuns :

3² - 1=8 
2² + 1=5
Ma=8+5/2=13/2=6,5

M = 9-1
M= 8
n = 4 + 1
n = 5
Ma = ( 5+8 ) : 2
Ma = 13 :2
Ma = 6.5