Răspuns:
Explicație pas cu pas:
(*)- inmultire
a)
3/15⁽¹⁵*75⁽¹⁵=3*5=15 kg..............se simplifica 15 si 75 prin 15
b)
7/16⁽¹⁶*64⁽¹⁶=7*4=28 kg..................se simplifica 16 si 64 prin 16
c)
7/18⁽¹⁸*90⁽¹⁸=7*5=35 kg ..............se simplifica 18 si 90 prin 16
d)
9/14⁽¹⁴*84⁽¹⁴=9*6=54 kg
e)
5/24⁽²⁴*96⁽²⁴=5*4=20kg
