99*0.75+4/3怎么简便?
问题描述：
99*0.75+4/3怎么简便?
答
你好：
99×0.75＋3/4
＝99×0.75＋0.75
＝（99＋1）×0.75
＝100×0.75
＝75
答
99*0.75+4/3
=99*0.75+0.75
=(99+1)*0.75
=100*0.75
=75