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2018x2017一2017怎么算

2018x2017-2017 =2017x2018-2017×1 =2017×(2018-1) =2017×2017 =2017² =4068289

2018×2018-2017×2019 =2018×2018-2017×(2018+1) =2018×2018-2017x2018-2017 =(2018-2071)x2018-2017 =2018-2017 =1

2017x2017一2018x2016 =2017x2017-(2017+1)x(2017-1) =2017x2017-2017x2017+1 =1

2018×20172018-2017×20182017 =2018×(20172017+1)-2017×(20172017+10000) =2018×20172017+2018×1-2017×20172017-2017×10000 =(2018-2017)×20172017+2018-20170000 =1×20172017-20170000+2018 =20172017-20170000+2018 =2017+2018 =4035

2018×20192019-2019×20182018=2018x[2019x(1000+1)]-2019x[2018x(1000+1)]=0 望采纳。

2018×20172017-2017×2018 =2018×2017×10001-2017×2018 =2017×2018×(10001-1) =4070306×10000 =40703060000

-2017

2018×2018+2017×2017-2017×2018-2017×2016 =2018x(2018-2017)+2017x(2017-2016) =2018x1+2017x1 =4035

2018×20172017-2017×20182018 2018×20172017-2017×20182018 =2018*2017*10001-2017*2018*10001 =2017*2018*10001-2017*2018*10001 =0

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