作业帮[(1又21/24-1又3/8+1/16-3/4）*（-4）^3]/5 21-（-7）/（1/2）*2怎么做 ,
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 01:02:12
![[(1又21/24-1又3/8+1/16-3/4）*（-4）^3]/5 21-（-7）/（1/2）*2怎么做 ,](/uploads/image/z/379358-62-8.jpg?t=%5B%281%E5%8F%8821%2F24-1%E5%8F%883%2F8%2B1%2F16-3%2F4%EF%BC%89%2A%EF%BC%88-4%EF%BC%89%5E3%5D%2F5+21-%EF%BC%88-7%EF%BC%89%2F%EF%BC%881%2F2%EF%BC%89%2A2%E6%80%8E%E4%B9%88%E5%81%9A+%2C)
[(1又21/24-1又3/8+1/16-3/4）*（-4）^3]/5 21-（-7）/（1/2）*2怎么做 ,
[(1又21/24-1又3/8+1/16-3/4）*（-4）^3]/5 21-（-7）/（1/2）*2怎么做 ,
[(1又21/24-1又3/8+1/16-3/4）*（-4）^3]/5 21-（-7）/（1/2）*2怎么做 ,
[(1又21/24-1又3/8+1/16-3/4）*（-4）^3]/5
=[(45/24-11/8+1/16-12/16)*(-64)]/5
=[(15/8-33/16)*(-64)]/5
=[(-3)/16]*(-64)/5
=12/5.
21-(-7)/(1/2)*2
=21+14*2
=21+28
=49.