(-40)-(+27)+19-24-(-32)=?
问题描述:
(-40)-(+27)+19-24-(-32)=?
答
(-40)-(+27)+19-24-(-32)=-40-27+19-24+32=-40-27-24+19+32=-91+51=-40
答
(-40)-(+27)+19-24-(-32)=(-40)-27+19-24+32=51-51-40=-40