二零一五乘以二零一四分之二零一三怎么用折分方法计算

2024-12-13 01:21:32
推荐回答(3个)
回答1:

2015x2013/2014
=(2014+1)x2013/2014
=2014x2013/2014+2013/2014
=2013+2013/2014
=2013又2013/2014

回答2:

2015×2013/2014
=2015×(2014-1)/2014
=2015-2015/2014
=2015-(2014+1)/2014
=2015-1-1/2014
=2013又2013/2014

回答3:

2015×2013/2014
=(2014+1)X2013/2014
=2014×2013/2014+1×2013/2014
=2013+2013/2014
=2013又2013/2014