3.9*0.39/0.26的简便算法
问题描述:
3.9*0.39/0.26的简便算法
答
3.9*0.39/0.26
=3.9*3/2
=11.7/2
=5.85
答
3.9*0.39/0.26
=3.9*39/26
=3.9*3/2
=5.85