2013+201.3+20.13+2.013

问题描述:

2013+201.3+20.13+2.013

2013*1.111=
自己算吧

2013+201.3+20.13+2.013
=2.013*1000+2.013*100+2.013*10+2.013
=2.013*(1000+100+10+1)
=2.013*1111
=2236.443

1.2013+201.3+20.13+2.013
=2214.3+20.13+2.013
=2236.443
2.2013+201.3+20.13+2.013
=2.013*1000+2.013*100+2.013*10+2.013
=2.013*(1000+100+10+1)
=2.013*1111
=2236.443