Răspuns :
a : (670:10 * 0 + 38 * 16 :4)=(345* 2:3:10-408:4:6)
a : (67 * 0 + 608 :4)=(690:3:10-102:6)
a : (0 + 152)=(230:10-17)
a:152=23-17
a:152=6
a=6*152
a=912
a : (67 * 0 + 608 :4)=(690:3:10-102:6)
a : (0 + 152)=(230:10-17)
a:152=23-17
a:152=6
a=6*152
a=912