Răspuns:
V-radical
/-supra
1. 9+16=25
2. 2V3:V3+2V2+1=3+2V2
3. V2+2V2=3V2
4. V2+2V2=3V2
5. V20/9-V5/4=2V5/3-V5/2=4V5/6-3V5/6=V5/6
6. 1/V3=V3/3
7. -1/V2=-V2/2
8. 4/V12=4/2V3=2/V3=2V3/3
9. V10/V2=V20/2=2V5/2=V5
10. V2/V5=V10/5