简便运算:5-[4.6-2.4*(4.75-3.25)]
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 23:06:41
![简便运算:5-[4.6-2.4*(4.75-3.25)]](/uploads/image/z/248708-20-8.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%9A5-%5B4.6-2.4%2A%EF%BC%884.75-3.25%EF%BC%89%5D)
简便运算:5-[4.6-2.4*(4.75-3.25)]
简便运算:5-[4.6-2.4*(4.75-3.25)]
简便运算:5-[4.6-2.4*(4.75-3.25)]
5-[4.6-2.4*(4.75-3.25)]
=5-4.6+2.4*(4.75-3.25)]
=0.4+2.4*1.5
=0.4+0.4*6*1.5
=0.4*(1+6*1.5)
=0.4*(1+9)
=4