1.1乘1.1乘1.1减1.1乘1.1减0.11简便

问题描述:

1.1乘1.1乘1.1减1.1乘1.1减0.11简便

1.1乘1.1乘1.1减1.1乘1.1减0.11
=1.1(1.1*1.1-1.1-0.1)
=1.1(1.21-1.2)
=1.1*0.01=0.011
这不是一样的吗?