se rezolva grafic si ecuatie
1n /____ ____/
2n /____ ____/+2
3n /____ ____/+2+2
prim nr are 2 jumatati,o jumatate-va fi-- x, ( x+1) -e jum 2nr, deci al 2nr=2x+2
x+(x+1)+(x+2) = 3x+3--jumatatile a 3 numere
(3x+3)-2x-2=532
3x-2x =53+2-3
x=52-jum-prim nr
5x2=104-pr nr
104+2=106-2nr
106+2=108-3nr
verif:
3x52+3-(2x52+2)=53