1.1乘1.1乘1.1减1.1乘1.1减0.11简便

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1.1乘1.1乘1.1减1.1乘1.1减0.11简便
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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简便

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?

额度达到

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*[1.1*(1.1-1)-0.1]
=1.1*(1.1-1)*0.1
=1.1*0.01
=0.011