(2/3)2009次幂乘(1.5)2010次幂乘(-1)2011幂
=(2/3)2009次幂乘(3/2)2010次幂乘(-1)2011幂
=(2/3×3/2)2009次幂乘(3/2)乘1
=1×3/2×1
=1.5