题目

1x1.1x1.1-1.1x1.1-0.11怎样简便计算

提问时间：2021-03-11

答案

1.1²*1.1-1.1²-1.1*0.1
=1.1²*（1.1-1）-1.1*0.1
=1.1*1.1*0.1-1.1*0.1
=1.1*0.1*（1.1-1）
=1.1*0.1*0.1
=1.1*0.01
=0.011