-1^4-(1-0.5)*1/3*[2-(-3)²]=?
问题描述:
-1^4-(1-0.5)*1/3*[2-(-3)²]=?
答
-1^4-(1-0.5)*1/3*[2-(-3)²]
=-1-1/2*1/3*(2-9)
=-1-1/6*(-7)
=-1+7/6
=1/6