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2017分之2016*2016用简便方法计算

为什么结果是1008

2016×2017+2017+2015分之2016×2016 =2017x(2016+1)+2015x(2016/2015)+1x(2016/2015) =2017x2017+2016+1+1/2015 =2017x(2017+1)+1/2015 =2017x2018+1/2015 =2000x2018+10x2018+7x2018+1/2015 =4036000+20180+14126+1/2015 =4070306+1/2015 =40703...

2016/2017*(2017-1)=2016-2016/2017=2015又1/2017 运用了乘法的分配率,

1008

计算: 2018x 2016/2017 =(2017+1)x2016/2017 =2016+2016/2017 =2016又2017分之2016

2016×20172017-2017×20162016 =2016×2017×10001-2017×2016×10001 =0

2016/2017*2016 =2016/2017*(2017-1) =2017*2016/2017-2016/2017 =2016-2016/2017 =2015又1/2017

2016/2016又2017分之2016 =2016/[(2016x2017+2016)/2017] =2016 x 2017/(2016x2017+2016) =2017/(2017+1) =2017/2018

计算: 2018x 2016/2017 =(2017+1)x2016/2017 =2016+2016/2017 =2016又2017分之2016

用简单方法计算 2016乘以2017分之2016 =2016x(1-1/2017) =2016-2016x1/2017 =2016-2016/2017 =2015又1/2017

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