ex 3 dau coroana....
![Ex 3 Dau Coroana class=](https://ro-static.z-dn.net/files/d8f/3ff83b95cf105f5283e21e30db108b2b.jpg)
Explicație pas cu pas:
24l×2+56l×3=216 l
12km:2-3000m×2=5.994km
2×8t-3×5q=1