(1/5) ‧ (1/5)³
(-3/2)² ‧ (-3/2)³
(-4/5)³ ‧ (-4/5)
(-8/3)² ‧ (-8/3)
(1/2)² ‧ (1/2)³
256/625
-243/32
1/625
1/32
-512/27
