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media aritmetica a doua numere impare consecutive este 48.aflati numerele.


Răspuns :

1 nr-2n+1
2nr-2n+3
(2n+1+2n+3)/2=48
4n+4=48*2
4n=96-4
4n=92
n=23
1 nr=23*2+1=47
2nr=23*2+3=49
(a+a+2)/2=48
2a+2=48*2
2a+2=96
2a=96-2
2a=94
a=94:2
a=47
b=47+2=49