先用11.36,加上8.64,再让32.88减去它们的和,这样运算比较方便
简便计算32.88-11.36-8.64=32.88-(11.36+8.64)=32.88-20=12.88
32.88-11.36-8.64=32.88-(11.36+8.64)=32.88-20=12.88希望采纳,谢谢