(-1)的4次方-[2-(三分之一乘0.5)]乘[3的二次方-(-2)的二次方]=?

问题描述:

(-1)的4次方-[2-(三分之一乘0.5)]乘[3的二次方-(-2)的二次方]=?

(-1)的4次方-[2-(三分之一乘0.5)]乘[3的二次方-(-2)的二次方]
=1-(2-1/6)x(9-4)
=1-11/6x5
=1-55/6
=-49/6