Răspuns:
ex 10.
Andrei:
mere 35kg
portocale 2 kg
a)
Alex
mere: 35: 2 = 17.5 kg
portocale: 2+ 1.7 = 3.7 kg
b)
in total:
mere: 35 + 17.5 = 52.5 kg
portocale: 2 + 3.7 = 5.7 kg
ex 11.
l1 + l2 = 15.5 kg
a) 15.5 + 1.2 = 16.7 kg
b) 15.5 - 2.53 = 12.97 kg
c) 15.5 - 3.17 + 1.5 = 12.33 + 1.5 = 13.83 kg
