9÷0.25脱式算急

问题描述:

9÷0.25脱式算急

=36 回答完毕 采纳吧

9/0.25=9*4/0.25*4=36

9/0.25=9/1/4=9*4=36

=9/(0.25﹡4/4)=9/(1/4)=9/1﹡4=9﹡4=36

9÷0.25
=9*4
=36

36