简便计算(19.75-6.38)/0.25怎么写?

问题描述:

简便计算(19.75-6.38)/0.25怎么写?

(19.75-6.38)÷0.25
=13.37×4
=(13+0.37)×4
=52+1.48
=53.48

19.75-6.38 /0.25
=13.37*4
=(13+0.37)*4
=52+1.48
=53.48

(19.75-6.38)/0.25
=13.37*4
=(13+0.37)*4
=52+1.48
=53.48