Răspuns:
Explicație pas cu pas:
Meri |................|
Peri |................| +9
Pruni |................| -5
-------------------------------
TOTAL 115 pomi
|................| + |................| + |................| +9-5= 115
3 x |................| = 115-9+5
3 x |................| = 111
|................| = 111:3 =37 meri
37+9=46 peri
37-5=32 pruni
Vf : 37+46+32=115
succes