Răspuns:
1. 4
2.
44 lei ____ 110%
x lei ______ 100%
x=4400/110=40 lei
3. 10/11
4. 10 cm
5. 90°
6. 40°C
2.
(a+b+8)/3 = 16 =>a+b+8 = 48 =>a+b=40
=>(a+b)/2 = 20
3.
Prima zi 2/5 • 1200 = 2400/5 = 480 km
A doua zi 3/10 • 1200 = 3600/10 = 360 km
A treia zi 1200-480-360=360 km