12.5*88.8-0.25*4.44 简便运算
问题描述：
12.5*88.8-0.25*4.44 简便运算
不对吧答案因该是1108.89
答
12.5*88.8-0.25*4.44
=12.5*8*11.1-0.25*4*1.11
=100*11.1-1*1.11
=1110-1.11
=1108.89