计算(-2)∧0+lg0.01+(4/9)∧-1/3

问题描述:

计算(-2)∧0+lg0.01+(4/9)∧-1/3

错了吧
是(-2)∧0+lg0.01+(4/9)∧-1/2
=1+lg10^(-2)+√(9/4)
=1+(-2)+3/2
=1/2为何是-1/2?否则开不尽采纳吧