b. (³V7)³ - (V3)²=7-3=4
c. (V12)²+³V13³=12+13=25
d. (2 ³V4)³ + (3V2)²=2³×4+3²×2=
=8×4+9×2=32+18=50
e. (10 ³V5)³ - (5V2)²=10³×5-5²×2=
=5000-50=4950
