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calculati media aritmetimetica a numerelor 2 pe 5, 1(3) si 22 pe 6

Răspuns :

mai intai faci suma,apoi imparti la 3 fiindca sunt 3 nr
s=2/5+1,(3)+22/6=2/5+1+3/9+11/3=2/5+1+1/3+11/3=2/5+1+12/3=2/5+1+4=4/10+5=4/10+50/10=54/10
deci m=s/3=54/10/3=54/30=27/15=9/5=1.8