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2015 2016

2015下半年和2016上半年

2016×201520152015-2015×201620162016+2016 =2016×2015×100010001-2015×2016×100010001+2016 =2016

= 2015× (2016×10000 +2016)-2016×(2015×10000+2015) = 2015× 2016×10000 + 2015×2016 - 2016×2015×10000-2016×2015 =0

2015×20162016-2016×20152015 =2015×2016×10001-2016×2015×10001 =0

2016*2016+2015*2015-2016*2015-(2016-2)*2015 =2016*2016+2015*2015-2*2016*2015+2015*2 =(2016-2015)*(2016-2015)+4030 =1+4030 =4031

怎样简便计算 2015×2015/2016 =(2016-1)×2015/2016 =2016×2015/2016-2015/2016 =2015-2015/2016 =2014又1/2016

2015*2015/2016简便计算方法 2015*2015/2016 =2015*(1-1/2016) =2015-2015/2016 =2014又1/2016

鹿晗的 that good good、勋章、致爱your song,陈奕迅的sleep alone,还有一个最最超级好听的是薛之谦的《演员》,灰常有味道

2015÷2015又2015/2016 =2015÷(2015+ 2015/2016 ) =2015x2016/(2015x2016+ 2015 ) =[2015x2016+2015 -2015 ]/(2015x2016+ 2015 ) =1- 2015/(2015x2016+ 2015 ) =1- 1/(2016+ 1 ) =1- 1/2017 =2016/2017

2015又2016分之2015除2017,怎么算 解: 2015又2016分之2015÷2017 =2015×(1+1/2016)÷2017 =2015×2017/2016÷2017 =2015/2016

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