Răspuns :
81x82x83=6642x83=551286
84x85x86=7140x86=614040
87x88x89=7656x89=681384
83x84x87=6972x87=606564
84x85x86=7140x86=614040
87x88x89=7656x89=681384
83x84x87=6972x87=606564
81*83*85=571455
83*87*89=642669
82*84*86=592368
87*88*89=681384
83*87*89=642669
82*84*86=592368
87*88*89=681384