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Alexandranagy354
a fost răspuns

aflati media aritmetica a numerelo r:
a= 1+2+3+...+50
b=2⁰+3³+1²⁰¹⁴-4¹​

Răspuns :

a=50•51/2=1275
b=1+27+1-4=25
a+b/2=1275+25/2=1300/2=650

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