-(26.54)+(-6.4)-18.54+6.4
问题描述:
-(26.54)+(-6.4)-18.54+6.4
答
-(26.54)+(-6.4)-18.54+6.4=(-26.54-18.54)+(-6.4+6.4)=-45.08+0=-45.08
-(26.54)+(-6.4)-18.54+6.4
-(26.54)+(-6.4)-18.54+6.4=(-26.54-18.54)+(-6.4+6.4)=-45.08+0=-45.08