1. 24/36=2/3 (am simplificat prin 12)
2. 20%×135=20/100×135=2/10×135=(2×135)/10=270/10=27
3. x/4=15/6→x=(15×4)/6→x=60/6→x=10
4. (-3)-7=(-3)+(-7)=-10
5. 2kg=8lei→1kg=4lei→11kg=44lei
6. nu vad ce scrie
7. nu vad desenul
8. <C=180-(<A+<B)=180°-(80°+45°)=180°-125°=55°
9. 60°
