化简-(+8),-(+2.7)-(-3)-(-4分之3)
问题描述:
化简-(+8),-(+2.7)-(-3)-(-4分之3)
答
-8,-2.7,3,4分之3
答
-(+8) =-8
,-(+2.7)-(-3)-(-4分之3)
=-2.7+3+0.75
=1.05